Devon Bonner, MS, CGC

Clinical Assistant Professor (Affiliated), Department of Pediatrics

Genetic Counselor, Medical Genetics & Stanford Center for Undiagnosed Diseases

Devon graduated from the joint John’s Hopkins and National Human Genome Research Institutegenetic counseling program in 2017. Devon has worked in the Stanford Center for Undiagnosed Diseases, clinical site of the Undiagnosed Disease Network, since 2017. She has also worked in the Lucile Packard Children’s Hospital Medical Genetics Department since 2018. Devon is enthusiastic about improving diagnosis and care of patients with rare diseases through the application of genomic technologies and team science. Her research interests include studying the psychosocial and health impact of living with and caring for family members with undiagnosed disease as well as developing multi-omics tools to improve diagnosis and clinical care. Devon is involved in teaching and supervision in the context of variant interpretation and clinical medical genetics clinics.

Laurel Calderwood, MS, CGC

Clinical Associate Professor (Affiliated), Department of Pediatrics

Senior Genetic Counselor, Medical Genetics

Laurel graduated from the MS Program in Genetic Counseling at Boston University and was certified by ABGC in 2012. Her first role was working in the Mitochondrial and Neurometabolic Programs at Boston Children’s Hospital where she first cultivated an interest in these rare disorders. She subsequently worked as a faculty member with the BU Genetic Counseling program prior to starting at LPCH in 2016. She is a senior genetic counselor in the Biochemical Genetics and Medical Genetics clinics, as well as the inpatient setting.

Within the Stanford Genetic Counseling Program she provides a variety of lectures on metabolic and mitochondrial conditions. She has served on many student thesis committees and regularly supervises student clinical rotations in all areas of her practice. She also serves on the program advisory board.

Brooke Dunleavy, MS, CGC

Clinical Instructor (Affiliated), Department of Pediatrics

Senior Genetic Counselor, Medical Genetics

Brooke received her MS in Genetic Counseling from The Ohio State University in 2018 and was certified by ABGC in 2018. She was a LEND fellow at The Ohio State where she completed coursework, research, and clinical rotations in autism spectrum disorder and other neurodevelopmental disabilities. Her thesis work focused on patient comprehension of uninformative (negative or VUS) laboratory genetic testing result reports. Brooke started working at LPCH in June 2018 and participates in the Medical Genetics clinic, Bone health clinic, and she serves as the clinical coordinator and genetic counselor for differences of sexual development (DSD) multidisciplinary clinic.

Natalie Dykzeul, MS, CGC

Clinical Assistant Professor (Affiliated), Department of Pediatrics

Senior Genetic Counselor, Medical Genetics

Natalie earned her MS in Genetic Counseling from the Virginia Commonwealth University training program in 2018. While in graduate school, she interned with Blue Shield of California and was a trainee in the Virginia Leadership Education in Neurodevelopmental Disabilities (Va-LEND) program. Her thesis was an exploratory study of 22q11.2 deletion syndrome focusing on the psychiatrist’s knowledge of the mental health implications and willingness to act in providing clinical services. Natalie began working at LPCH in July of 2018 and is currently working in both the Medical Genetics and the Biochemical Genetics clinics. She is also the dedicated genetic counselor in the multidisciplinary Cleft & Craniofacial and Craniosynostosis clinics.

Ellyn Farrelly, MS, MA, CGC

Clinical Associate Professor (Affiliated), Department of Pediatrics

Genetic Counselor Supervisor, Medical Genetics

Ellyn graduated from Stanford’s genetic counseling program in 2010 and was certified by ABGC in 2011. She has been the genetic counseling supervisor in Medical Genetics since 2018. Ellyn has provided genetics care across the lifespan, including prenatal, pediatric, and adult genetics. She has a strong clinical interest in RASopathies and vascular anomalies. She helps coordinate the RASopathy/Neurofibromatosis clinic as well as the mini-VAC clinic in Medical Genetics. Ellyn is a member of the LPCH Ethics Committee. She also supports the Costello Family Syndrome Network as part of their research committee.

Ellyn’s teaching and counseling interests focus on providing an environment where pediatric patients are engaged in their own care and receive developmentally-appropriate education. She also has an interest in healthcare equity, which was reinforced by her four years working at Santa Clara Valley Medical Center, a ‘safety net’ hospital with a mandate to serve all populations regardless of insurance status or ability to pay. Ellyn is a lecturer, talk-mentor and clinical supervisor in the genetic counseling program.

Wesley Ho, MS, CGC

Clinical Instructor (Affiliated), Department of Pediatrics

Genetic Counselor, Medical Genetics

Wesley received his MS in genetic Counseling from Stanford University in June 2022. His thesis project evaluated the impact of the revised diagnostic criteria for Neurofibromatosis Type 1 on time to diagnosis and was published in the American Journal of Medical Genetics. Wesley began working at LPCH in July 2022. He participates in the Medical Genetics clinic and coordinates the Down Syndrome clinic.

Jenny Kim, MS, CGC

Clinical Instructor (Affiliated), Department of Pediatrics

Genetic Counselor, Medical Genetics

Jenny received her MS in Genetic Counseling from Northwestern University in March 2020 and began working at LCPH in June 2020. She sees patients in the Medical Genetics and Biochemical Genetics clinics.

Brenden Phung, MS, CGC

Genetic Counselor, Medical Genetics

Brenden Phung earned his Master of Science in Genetic Counseling from Northwestern University in 2022. His graduate research focused on understanding the experiences and factors that influence East Asians to pursue careers in genetic counseling, reflecting his commitment to improving diversity and representation within the field. Prior to his training, Brenden served as a patient advocate, providing translation and support for Chinese-speaking patients in clinical settings.

Since joining Lucile Packard Children’s Hospital in November 2024, Brenden participates in the Medical Genetics Clinic and the RASopathy/Neurofibromatosis Clinic. His clinical interests include rare pediatric genetic disorders, patient education, and culturally informed care.

Susan Schelley, MPH, CGC

Clinical Assistant Professor (Affiliated), Department of Pediatrics
Senior Genetic Counselor, Medical Genetics

Susan graduated from UCLA in 1983 and was certified by the ABMG in 1984. She has been at Stanford/LPCH since 1983 in General and Metabolic Genetics. Over her 30 years at Stanford, Susan has been very involved in teaching genetics at Stanford, including lecturing for various medical student courses and supervising genetics residents, post-docs and genetic counseling students. As an 'active retiree' starting in the Fall 2013, she will remain involved in lecturing and clinical supervision in general and metabolic genetic counseling areas.

Nina Sheridan, MS, CGC

Clinical Instructor (Affiliated), Department of Pediatrics

Genetic Counselor, Medical Genetics

Nina Sheridan (she/her) received her master's degree in human genetics and genetic counseling from Emory University in 2022. She started her career at Wake Forest University in North Carolina, where she worked as a pediatric, inpatient, and laboratory genetic counselor. She has specific clinical experience in NF1, Down syndrome, bleeding disorders, intersex conditions, and NICU-based genetic counseling. Other interests include advocating for sex and gender minorities and queer inclusivity, especially within genetic counseling education.

Caitlin Silva, MS, CGC

Genetic Counselor, Medical Genetics

Caitlin Silva is a genetic counselor in Medical Genetics. She received her master’s degree in genetic counseling from Stanford University in 2025. She has a strong interest in patient advocacy and has contributed to advocacy efforts through her involvement with the Cystic Fibrosis Foundation and Global Genes. She joined Lucile Packard Children’s Hospital in 2026 and participates in the Medical Genetics Clinic.

Connor Benson, MS, CGC

Genetic Counselor, Prenatal Genetics

Connor received his undergraduate degree from the University of Oregon, and completed his graduate training in genetic counseling at the Icahn School of Medicine at Mount Sinai in 2022. He joined Lucile Packard Children’s Hospital Stanford in 2022 and sees patients in the Perinatal Diagnostic Centers at El Camino and Stanford.

Stephanie Burke, MS, CGC

Genetic Counselor, Prenatal Genetics

Kristi Guinon, MS, CGC

Genetic Counselor, Prenatal Genetics

Kristi graduated from the UC Berkeley Genetic Counseling Program in 1990 and was certified by the ABGC in 1993. Prior to coming to Stanford in 1992, she worked at the UCSF Prenatal Diagnostic Center as a prenatal genetic counselor. Kristi has been a prenatal genetic counselor at LPCH and our Sequoia site since 1992. She is involved in the clinical supervision of genetic counseling students as part of the prenatal genetics rotation.

Whitney Heinrichs, MS, CGC

Genetic Counselor, Prenatal Genetics

Whitney graduated from the Genetic Counseling Program at the University of Colorado Health Sciences Center in 2005, and was certified by the ABGC in 2007. Whitney first worked as a volunteer, administrative assistant, and as an intern at LPCH, and has been a prenatal genetic counselor at LPCH (and at our Santa Cruz site) since 2005. She is involved in clinical supervision for the prenatal genetics rotation.

Meg Homeyer, MS, CGC

Genetic Counseling Supervisor, Prenatal Genetics

Patient Care Coordinator, Fetal and Pregnancy Health Program

Meg graduated from the UC Berkeley Genetic Counseling Program in 1999 and was certified by the ABGC the same year. Meg has been at Stanford since 1999, working as a prenatal genetic counselor. In 2009, she became the Patient Care Coordinator for the Center for the Fetal and Pregnancy Health Program at SMCH.  In 2024, Meg became the manager for the SMCH genetic counselors.

Anna Iversen, MS, CGC

Clinical Instructor (Affiliated), Department of Pediatrics

Genetic Counselor, Prenatal Genetics

Anna joined the Stanford prenatal genetic counseling team in 2021 and sees patients at LPCH in Perinatal Genetics and in the Reproductive Genetics Clinic with Dr. Tise.  She is a co-instructor for the Stanford Prenatal Genetic Counseling course (GENE 278) and works with genetic counseling students during their prenatal clinical rotations. Anna received her Master's in Genetic Counseling from the University of Pennsylvania Perelman School of Medicine in 2021. While in graduate school, Anna was the 2020-2021 Genetic Counseling LEND Fellow at the Children’s Hospital of Philadelphia (CHOP).

Jenna Kornish, MS, CGC

Clinical Instructor (Affiliated), Department of Pediatrics

Genetic Counselor, Prenatal Genetics

Jenna received her undergraduate degree from Boston University in 2013 and her master’s degree in genetic counseling from Stanford University in 2020. She joined Lucile Packard Children’s Hospital Stanford in 2020 and sees patients in the Perinatal Diagnostic Centers at El Camino and Stanford.

Ronit Mazzoni, MS, CGC

Clinical Instructor (Affiliated), Department of Pediatrics

Genetic Counselor, Prenatal Genetics

Ronit is a genetic counselor in the Fertility and Reproductive Health department. She received her undergraduate degree from Scripps College in 2005 and her master’s degree in genetic counseling from Northwestern University in 2007. She previously worked at Santa Clara Valley Medical Center as a genetic counselor seeing prenatal, pediatric and adult patients. Ronit joined Lucile Packard Children’s Hospital Stanford in 2021 and works with patients utilizing preconception carrier screening and preimplantation genetic testing.

Elida Medina, MS, CGC

Genetic Counselor, Prenatal Genetics

Elida received her undergraduate degree in biological sciences from Cal Poly, San Luis Obispo in 2018 and completed her master's degree in genetic counseling at the University of California, San Francisco (UCSF) in 2024. She became certified by the American Board of Genetic Counseling (ABGC) in 2024 and joined the Lucile Packard Children's Hospital Stanford prenatal team as a prenatal genetic counselor in 2026. She is a native Spanish speaker who grew up on the Central Coast and is passionate about serving her community and sees patients at the Salinas Perinatal Diagnostic Center.

Melissa Mills, MS, CGC

Genetic Counselor, Prenatal Genetics

Originally from Massachusetts, Melissa graduated from Stanford’s genetic counseling program in 2010 and was also certified by ABGC in 2010. She has worked as a relief genetic counselor at Stanford’s Lucile Packard Children's Hospital in prenatal genetic counseling since soon after graduation in 2010. Melissa sees patients at almost all LPCH sites as needed. Melissa also previously worked part time as a cancer genetic counselor for Sutter Health.

Sunny Norton, MS, CGC

Clinical Instructor (Affiliated), Department of Pediatrics

Genetic Counselor, Prenatal Genetics

Sunny Norton joined Stanford Medicine Children’s Health in 2013. Originally from the Central Valley, Sunny graduated from Cal Poly, San Luis Obispo and received her Master of Science in Genetic Counseling from University of Colorado Denver in 2010. Prior to coming to the Perinatal Genetics group, she worked as a laboratory genetic counselor at Diagnostic Cytogenetics, Inc. in Seattle Washington, where she served as a client liaison to medical providers for prenatal, pediatric, and hematologic cases.  She sees patients at the Salinas PDC. Sunny participates in supervision and is the prenatal clinical rotation coordinator for the Stanford Genetic Counseling Program.

Casey Scherer, MS, CGC

Genetic Counselor, Prenatal Genetics

Casey received her undergraduate degree from the University of San Diego and completed her master’s degree in Genetic Counseling at Northwestern University in 2023. She was certified by the ABGC in 2023. She also completed a master’s degree in Community Health and Prevention Research at Stanford University in 2024. Casey joined Lucile Packard Children’s Hospital Stanford in 2023 and sees patients in the Perinatal Diagnostic Center.

Jenice Sican, MS, CGC

Genetic Counselor, Prenatal Genetics

Jenice received her undergraduate degree from CSU, Stanislaus, and completed her graduate training in genetic counseling at UC, Irvine in 2011.
She joined Lucile Packard Children’s Hospital Stanford in 2017 and sees patients in the Perinatal Diagnostic Center in Modesto.

Carly Smith, MS, CGC

Clinical Instructor (Affiliated), Department of Pediatrics

Genetic Counselor, Prenatal Genetics

Carly Smith is a perinatal genetic counselor in the Fetal and Pregnancy Health Program (Fetal Center). Her clinical role involves counseling on complex fetal anomalies and caring for families undergoing fetal therapy as part of a multidisciplinary team. Carly teaches residents and fellows at Stanford as well as GENE 275 (role play course) for genetic counseling students. Her research interests include elucidating genetic etiologies of fetal anomalies and the experiences of patients/families and the role of genetic services within a fetal center. She earned a Bachelor of Science from the University of Georgia followed by a Master of Genetic Counseling from the Vanderbilt University School of Medicine. Carly has a passion for mentoring prospective students and trainees during their clinical programs.

Karina Talreja, MS, CGC

Clinical Instructor (Affiliated), Department of Pediatrics

Genetic Counselor, Prenatal Genetics

Originally from San Diego, Karina graduated with her master’s degree in Human Genetics and Genetic Counseling from the Stanford program in 2017 and was certified by ABGC in 2017. After graduation, Karina worked as a prenatal genetic counselor with Integrated Genetics in San Jose, before joining the LPCH prenatal genetic counseling team in 2019. She sees patients in the Perinatal Diagnostic Center and through the Fetal and Pregnancy Health Program (Fetal Center).

Hope Young, MS, CGC

Genetic Counselor, Prenatal Genetics

Hope received her undergraduate degree from Cal Poly, San Luis Obispo and completed her master’s degree in genetic counseling at the University of California, Los Angeles (UCLA) in 2025. She became certified by the American Board of Genetic Counseling (ABGC) in 2025 and joined the LPCH prenatal team as a prenatal genetic counselor in 2026. Prior to graduate school, Hope worked with Stanford Health Care’s Clinical Genomics Program and the Vertebrate Genomes Project. As a Bay Area native, she is passionate about serving her community and sees patients in the Perinatal Diagnostic Center.

Rachel Zimmer, MS, CGC

Clinical Instructor (Affiliated), Department of Pediatrics

Genetic Counselor, Prenatal Genetics

Rachel graduated from the Genetic Counseling Program at Sarah Lawrence College in 2003 and was certified by the ABGC in 2005. Rachel worked for 11 years as a prenatal genetic counselor for Genzyme Genetics and Integrated Genetics seeing patients at various clinics in the Central Valley and Bay Area. She is now a prenatal genetic counselor at Stanford working mainly at the Salinas clinic.

Nicki Chun, MS, CGC

Clinical Assistant Professor (Affiliated), Department of Pediatrics

Genetic Counselor, Stanford Cancer Center

Nicolette (Nicki) graduated from UC-Berkeley’s Genetic Counseling program in 1983, and was certified by the ABMG in 1984. Before she came to Stanford, she worked for 7 years at Harbor-UCLA in prenatal genetics. She has been at Stanford/LPCH for since 1991, initially in the Medical Genetics group, and most recently in the Cancer Genetics program and providing specialty genetic counseling and testing to the Neuroendocrine Genetics Clinic. She has been the Subcommittee Co-Chair for NSGC’s Cancer Genetics SIG and has served on the Research Subcommittee. Her research focus lies on inherited breast, colon, and gastric cancer projects involving risk reduction trials, subpopulation variations, developing new screening protocols, and improving cancer educational resources. Nicki has also helped with multiple educational talks to the lay community at grade and high schools and at adult education forums on general genetics, genetic counseling, and cancer genetics topics. Nicki is involved in teaching within the cancer genetics course and supervising students in their cancer genetics rotation.

Joselyn Diaz, MS, CGC

Genetic Counselor, Stanford Cancer Center

Joselyn Saenz Díaz (she/her/ella) graduated from the MGH Institute of Health Professions’ genetic counseling program and became certified by the ABGC in 2021. She is a bilingual provider and counsels in Spanish and English. Prior to coming to Stanford, Joselyn held clinic roles in Boston Medical Center and Harbor-UCLA Medical center as a cancer and prenatal genetic counselor. She has served as a term lecturer and admissions committee member for the MGH Institute of Health Professions’ genetic counseling program and as a student research advisor and student clinic supervisor for the Boston University’s genetic counseling program.
Joselyn’s interests include advancing health equity, particularly in the access and uptake in genetic services and incorporating restorative justice frameworks within healthcare and genetic counseling. She is also involved in research examining the experiences of BIPOC student’ paths to genetic counseling. 

Audrey Fan, MS, CGC

Genetic Counselor, Stanford Cancer Center

Audrey graduated from Sarah Lawrence College’s Graduate Program in Human Genetics in 2012. She began her genetic counseling career at Geisinger Health’s Genomic Medicine Institute. In addition to building its system-wide clinical cancer genetics service initially as its sole cancer genetic counselor, she also helped implement two multidisciplinary “Inherited Risk” clinics to serve newly- identified BRCA and Lynch syndrome patients. Her research work focused primarily on  parental attitudes and expectation towards receiving genomic test results in healthy children. In 2017, she was an early stage startup employee at Genome Medical, a nationwide genomics medical practice and digital health company. She worked with the clinical, product and engineering teams to develop clinician-friendly software features and to implement programs with external partners like labs and hospital systems. In 2022, Audrey joined the Oncology Genetics and Genomics Department at Stanford Health Care with a focus on developing novel clinical care models to provide patients with timely access to genetic counseling expertise and genetic testing.

Aisha Furquan, MS, CGC

Genetic Counselor, Stanford Cancer Center

Aisha is a Genetic Counselor in the Oncology Genetics and Genomics Department at Stanford Health Care. She previously worked as a Lab Genetic Counselor at Natera and has special interest in variant curation and cell-free DNA technology. She has over eight years of experience working in oncology clinical and lab setting. She is also passionate about medical ethics and taught a course on Ethics in Genetic Counseling at the UCSD extension program. She is a co-founder and co-director of the Pakistani Society of Medical Genetics and Genomics. She has a Masters in Genetic Counseling from the Stanislaus State University and is certified by the American Board of Genetic Counselors.

Rachel Hodan, MS, CGC

Clinical Associate Professor (Affiliated), Department of Pediatrics

Genetic Counselor, Stanford Cancer Center

Rachel graduated from the CSU Genetic Counseling program and received her board certification in 2012. She started her Senior Genetic Counselor position at the Stanford Cancer Genetics Clinic in 2014. She specializes in risk assessment for patients with inherited gastrointestinal cancer syndromes.  Rachel is co-director of the cancer genetics training course for the Stanford MS program in Human Genetics and Genetic Counseling.  She is an active member of the Collaborative Group of the Americas on Inherited Gastrointestinal Cancer (CGA-IGC), serving as research chair from 2021-2022 and recently appointed as a CGA-IGC Fellow. Rachel is Stanford Cancer Institute’s representative to the National Comprehensive Cancer Network (NCCN) guidelines committee: Genetic/Familial High-Risk Assessment: Colorectal.  She has been a facilitator of the hereditary cancer support group at Bay Area Cancer Connections (BACC) in collaboration with Facing our Risk of Cancer Empowered (FORCE) since 2015. In 2021, she began work as a collaborator on NIH-funded research studying novel approaches to increase cascade testing for inherited cancer pathogenic variants.  She enjoys mentoring student research projects and supervising students during clinical rotations.

Kerry Kingham, MS, CGC

Clinical Assistant Professor  (Affiliated), Department of Pediatrics

Genetic Counselor Manager, Stanford Cancer Center

Kerry graduated from the UC Berkeley Genetic Counseling Program in 2001 and was certified by the ABGC in 2002. She is the lead genetic counselor in Cancer Genetics and Genomics at the Cancer Center of Stanford Healthcare. Kerry’s career began at Stanford in 2001. Since that time she has worked as a teratogen counselor with the California Teratogen Information Service (now Mother-to-Baby), in pre-natal genetics at LPCH and in cancer genetics at Stanford Healthcare. She served as the NSGC Cancer SIG's Education co-chair from 2010 - 2012. Kerry enjoys educating the community on testing for hereditary cancer syndromes. She lectures on cancer genetics and provides clinical supervision for the genetic counseling MS program. She is an active member of the admissions committee and has served as a student research adviser as well as a student mentor.

Karlena Lara-Otero, PhD, MS, CGC

Clinical Instructor (Affiliated), Department of Pediatrics

Genetic Counselor, Stanford Cancer Center South Bay

Karlena graduated from the Universidad Central de Venezuela in 2004 with a BS in Biology and received her PhD in Biology in 2010 from the Universidad Simón Bolívar. Her field of study was breast cancer and she worked in a cancer genetics laboratory screening breast cancer patients for BRCA1 and BRCA2 mutations. After completing her PhD, Karlena moved from her native Venezuela to Washington DC where she became a postdoctoral fellow in the Laboratory of Translational Surgical Pathology at the National Cancer Institute at NIH, conducting research on male breast and kidney cancer. Karlena entered the CSU Genetic Counseling program in 2014; graduating and receiving her license in 2016. She recently joined the Stanford Cancer Genetics Clinic within a team of seven counselors. Karlena primarily serves the South Bay community working at the Stanford Cancer Center South Bay. Karlena’s Spanish skills will be well utilized in the SF Bay area.

Nelliann Mancl, MS, CGC

Genetic Counselor, Stanford Cancer Center

Nelliann Mancl graduated from the University of Cincinnati and Cincinnati Children’s Hospital Genetic Counseling Graduate Program in 2023. She is certified by the American Board of Genetic Counseling. During graduate school, she was a trainee as part of the CCHMC Leadership Education in Neurodevelopmental and Related Disabilities (LEND) Program. Prior to attending graduate school, she earned her bachelor’s degree at University of Washington. Nelliann joined the Stanford Cancer Genetics department in June 2023.

Molly McGuinness, MS, CGC

Clinical Assistant Professor (Affiliated), Department of Pediatrics

Genetic Counselor, Bass Childhood Cancer Center

Molly graduated from the Boston University Genetic Counseling Program and became certified by the ABGC in 2020. Prior to attending graduate school, she earned a bachelor’s degree in biochemistry from Villanova University. After graduation, Molly spent two years working in cancer clinical research at Columbia University Medical Center. Molly joined Lucile Packard Children's Hospital in August 2020 where she sees pediatric oncology patients in the Bass Center.

Shilpa Narayan, MS, CGC

Clinical Instructor (Affiliated), Department of Pediatrics

Genetic Counselor, Stanford Cancer Center

Shilpa is a genetic counselor in the Stanford Cancer Genetics Department. She is certified by the American Board of Genetic Counseling. Shilpa joined Stanford in July 2022 after obtaining her master’s in genetic counseling from Keck Graduate Institute in Claremont, CA. Prior to joining her genetic counseling program, Shilpa worked in customer experience at Exact Sciences and worked multiple years as a research assistant in both cancer and cardiovascular research. Shilpa received her undergraduate degree in biology from Santa Clara University and a M.S from Drexel University.

Misha Rashkin, MS, CGC

Clinical Assistant Professor (Affiliated), Department of Pediatrics

Genetic Counselor, Stanford Cancer Center

Misha Rashkin is a genetic counselor specializing in oncology. Prior to coming to Stanford in January of 2020, Misha held clinical and research roles at Geisinger Health System in Pennsylvania and Mount Sinai Health System in NYC. Misha also spent two years working in a role focused on genetics policy/privacy at a Bay Area start up. Misha lectures on privacy and genetic discrimination, was the Chair of the Public Policy Committee for NSGC in 2018, and earned NSGCs New Leader award in 2016. He holds an MS in genetic counseling from the Mount Sinai School of Medicine, Class of 2013.

Courtney Rowe-Teeter, MS, CGC

Clinical Instructor (Affiliated), Department of Pediatrics

Genetic Counselor, Stanford Cancer Center

Courtney graduated from the University of North Carolina at Greensboro in 2005 and was certified by the ABMG & ABGC in 2007. Courtney established a Cancer Genetics Clinic at the Thompson Cancer Survival Center in Knoxville, TN in 2005. She successfully grew the clinic to necessitate the addition of a second counselor in 2008 through increasing the referral base across specialties and educating the surrounding community about cancer genetics. She previously provided supervision to two genetic counseling graduate students for their summer rotations in 2008 & 2012. Courtney joined the Stanford Cancer Genetics Clinic in July 2013, moving to the San Jose site in the summer of 2015 to establish this service line in the South Bay. She continues to enjoy supervising and mentoring genetic counseling graduate students.

Julia Stone, MS, CGC

Genetic Counselor, Stanford Cancer Center

Julia (she/her) earned her graduate degree at the University of Pittsburgh Genetic Counseling Program in 2018.  Prior to joining the Stanford Health Care Cancer Genetics team, she held both clinical and laboratory genetic counseling positions at UPMC Magee-Womens Hospital. In her clinical role, she specialized in prenatal, cancer, and adult genetics, and in her laboratory role she focused on hereditary cancer gene panels, whole exome sequencing, and general operations/process development. She enjoys supervising genetic counseling students and speaking with prospective genetic counseling applicants.

Lacey Williams, MS, CGC

Genetic Counselor, Stanford Cancer Center

Lacey graduated from the Stanford University School of Medicine Genetic Counseling Program and became board-certified by the ABGC in 2026. Prior to graduate school, Lacey studied Biochemistry at the University of Washington in Seattle and worked for three years in oncology clinical research at the Fred Hutchinson Cancer Center. She started as a genetic counselor in the Stanford Cancer Genetics Department in 2026. Her clinical and research interests include hematology/oncology genetics and genetic testing surrounding hematopoietic stem cell transplantation.

Jennefer Carter, MS, CGC

Clinical Assistant Professor (Affiliated), Department of Pediatrics

Genetic Counselor, Stanford Center for Inherited Cardiovascular Disease & Stanford Center for Undiagnosed Diseases

Jennefer Kohler is a genetic counselor at the Stanford Centers for Inherited Cardiovascular Disease and Undiagnosed Diseases as well as the Stanford Hypertension Center. Her clinical work involves helping individuals and families at risk for inherited disease to navigate, understand, and adapt to cardiac or renal health risks. In the research space, Jennefer works with the Center for Undiagnosed Diseases team in applying the newest genomic technologies and integrating diverse types of patient data in an effort to diagnose individuals with rare disease.

Jennefer received her undergraduate degree from the University of Washington and her masters in genetic counseling from Johns Hopkins University /National Human Genome Research Institute.

Hannah Ison, MS, CGC

Clinical Instructor (Affiliated), Department of Pediatrics

Genetic Counselor, Stanford Center for Inherited Cardiovascular Disease

Hannah Ison is a genetic counselor at the Stanford Center for Inherited Cardiovascular Disease. She received her Master’s in Medical and Molecular Genetics from Indiana University in 2018, and returned home to California to begin her career as a genetic counselor. Her primary clinical interest include working with patients who have inherited lipid conditions in both the adult and pediatric setting. She assisted with developing the Pediatric Lipid Clinic at Lucile Packard Children’s Hospital. She is also part of the Cardiac Genetics team at the children’s hospital where she provides inpatient and outpatient genetic counseling to patients with isolated congenital heart disease. In addition to her clinic work, Hannah enjoys participating in various research opportunities and being involved with the genetic counseling program here at Stanford.

Anusha Klinder, MS, CGC

Genetic Counselor, Stanford Center for Inherited Cardiovascular Disease & Stanford Center for Undiagnosed Diseases

Anusha Klinder is a genetic counselor at the Stanford Center for Inherited Cardiovascular Disease working within the Center for Marfan Syndrome and Related Aortic Disorders. She received her undergraduate degree in Global Disease Biology from the University of California, Davis and graduated from the University of California, Irvine’s genetic counseling program in 2022. Anusha has prior experience in rare disease spaces and patient advocacy programs, especially with 4H Leukodystrophy, and is passionate about personalized medicine and variant interpretation within these communities.

Tia Moscarello, MS, CGC

Clinical Associate Professor (Affiliated), Department of Pediatrics

Genetic Counselor, Stanford Center for Inherited Cardiovascular Disease

Tia Moscarello is a genetic counselor with the Stanford Center for Inherited Cardiovascular Disease (SCICD). Her clinical focus is working with critically ill individuals with suspected genetic heart conditions as SCICD’s inpatient genetic counselor. Tia co-founded the Inpatient SIG within the National Society of Genetic Counselors in 2020 and was its first Chair. Tia remains actively involved in the SIG and other committees in NSGC. Tia is co-course director of GENE287, supervises genetic counseling interns and serves as on interns’ research committees.

Ryan Murtha, MS, CGC

Genetic Counselor, Stanford Center for Inherited Cardiovascular Disease

Ryan is a genetic counselor at the Stanford Center for Inherited Cardiovascular Disease. His clinical work involves helping individuals and families at risk for inherited cardiovascular disease, including cardiomyopathy, arrhythmia, dyslipidemia, and aortopathy.

Ryan received his masters degree in genetic counseling from the MGH Institute of Health Professions. His previous research includes the study of repeat instability in Huntington’s disease and other neurological conditions at the Center for Genomic Medicine associated with Massachusetts General Hospital and Harvard Medical School, and investigating genetic causes of autism spectrum disorder at Yale School of Medicine.

Mitchel Pariani, MS, CGC

Clinical Assistant Professor (Affiliated), Department of Pediatrics

Genetic Counselor, Stanford Center for Inherited Cardiovascular Disease

Mitchel earned his Master’s degree in genetic counseling from California State University, Northridge in 2007. After graduate school he spent six plus years working at Cedars-Sinai Medical Center, seeing patients in the late David Rimoin, MD, PhD’s connective tissue disorders clinic and later built the cardiovascular genetics program at CSMC. At CSMC he also established the CSMC Summer Genetic Counseling Rotation Program that hosted students from most of the programs in the United States. In 2014 he joined the new Stanford Center for Inherited Cardiovascular Disease. Mitchel is the primary instructor for Stanford’s new Cardiovascular Genetics course and serves as a clinical supervisor.

Julia Platt, MS, CGC

Clinical Associate Professor (Affiliated), Department of Pediatrics

Cardiovascular Genetic Counseling Manager, Stanford Center for Inherited Cardiovascular Disease

Julia earned her MS in Genetic Counseling from UC Irvine in 2007. Since then she has worked in several specialties, including a mitochondrial disorder diagnostics lab and the Biochemical Genetics clinic at Stanford Children’s. She now works at the Stanford Center for Inherited Cardiovascular Disease. She sees people with inherited cardiomyopathies in clinic and has led the Stanford Cardiovascular Genetic Counseling team since 2020.

Julia has a strong interest in translating Diversity, Equity, Inclusion, and Justice (DEIJ) principles into daily actions. In 2019 she served as a co-Chair for the National Society of Genetic Counselors (NSGC) Diversity and Inclusion Task Force. Her current focus is on developing tools to support transparent expectations and evaluation of trainees and a guide for inclusive discussion of identity as part of clinical care. Her other counseling  interests include Motivational Interviewing.  Julia lectures in counseling courses, is involved in student research, and is a clinical supervisor for the cardiovascular genetics rotation.

Shami (Sharmila) Ravi, MS, CGC

Clinical Instructor (Affiliated), Department of Pediatrics

Genetic Counselor, Pediatric Inherited Cardiovascular Disorders Program

Shami Ravi is a genetic counselor with the Pediatric Inherited Cardiovascular Disorders program. She specializes in cardiovascular connective tissue disorders. She received her undergraduate degree in genetics from UC Davis in 1995 and her master’s degree in genetic counseling from UC Berkeley in 2001. She previously worked as a genetic counselor with the UCSF Cancer Risk Program and then the UCSF Prenatal Diagnosis Center. Shami joined Lucile Packard Children’s Hospital Stanford in 2022 and sees patients in the Cardiovascular Connective Tissue Disorders clinic and in the Betty Irene Moore Children’s Heart Center.

Chloe Reuter, MS, CGC

Clinical Assistant Professor (Affiliated), Department of Pediatrics

Genetic Counselor, Stanford Center for Inherited Cardiovascular Disease & Stanford Center for Undiagnosed Diseases

Chloe Reuter is originally from Michigan and she received her undergraduate degree in biology from Cornell University. She received her M.S. in Human Genetics and Genetic Counseling from Stanford in 2016. Chloe joined the Stanford Center for Inherited Cardiovascular Disease in July 2016. Her work focuses mainly on genetic variant interpretation for individuals with undiagnosed diseases and she is also connected to the adult cardiovascular genetics team. She is also involved in research related to genetic counselors’ practice of clinical variant interpretation.

Hannah Wand, MS, CGC

Genetic Counselor, Stanford Center for Inherited Cardiovascular Disease & Stanford Center for Undiagnosed Diseases

Hannah Wand is a cardiovascular genetic counselor specializing in Familial Hypercholesterolemia and inherited dyslipidemia. She is a project manager for the NIH-funded ClinGen consortium, with a focus on population screening implementation research. She co-chairs the Public Health Genetics SIG and Familial Hypercholesterolemia working group of NSGC.

Hannah received her masters in genetic counseling from Johns Hopkins School of Public Health /National Human Genome Research Institute and is a PhD candidate in Translational Health Sciences at George Washington University.

Matt Hall, MS, CGC

Genetic Counselor, Neuromuscular Clinic

Lauren Mattas, MS, CGC

Genetic Counselor, Pediatric Neurogenomics Program

Lauren received her Master’s degree in Genetic Counseling from the Icahn School of Medicine at Mount Sinai in 2014, and was certified by the ABGC the same year. She began her career at the Mills Peninsula Dorothy Schneider Cancer Center in San Mateo providing cancer genetic counseling. She then practiced at Kaiser Permanente in Oakland supporting a broad array of patients in cancer, prenatal, and pediatric and adult general genetics. Lauren started at Lucile Packard Children’s Hospital at Stanford in the Pediatric Neurogenomics Program in 2020. She has also enjoyed supervising graduate students and providing mentorship to future genetic counselors.

Carly Siskind, MS, CGC

Clinical Associate Professor, Department of Neurology and Neurological Sciences

Genetic Counselor, Neuromuscular Clinic

Carly Siskind is the first genetic counselor in the neuromuscular clinic at Stanford Hospital and Clinics. She received her MS in Genetic Counseling from Northwestern University in 2006, and has worked in neurology since 2007, previously at Wayne State and coming to Stanford in 2011. She currently sees adults and children with conditions covered by the Muscular Dystrophy Association, and has a particular interest in Charcot Marie Tooth disease. She is the genetic professional on the Advisory Board for the Charcot Marie Tooth Association. She also sees patients in the Huntington Disease Clinic. She is involved in supervision of the neurogenetics rotation, is a member of the admissions committee, helps facilitate GENE 275 (role play course) and is involved in student research projects.

Jessica Chonis, MS, CGC

Genetic Counselor, Stanford Clinical Genomics Program

Jessie received her Masters in Genetic Counseling from the University of Maryland School of Medicine in 2011. She then worked at Dell Children’s Hospital in Austin Texas for several years, providing genetic counseling to pediatric, adult, and prenatal patients with a broad range of clinical indications. In 2014, Jessie began working as a laboratory genetic counselor at a commercial genetic testing laboratory as a member of the cardiology team, becoming a subject matter expert in familial hypercholesterolemia and dyslipidemia. Much of her time was also focused on variant interpretation and report writing training for newly hired genetic counselors and medical directors, as well as student supervision and contribution to development of a remote laboratory genetic counseling training course. Jessie joined the Stanford Clinical Genomics Program in 2023 as a remote genetic counselor where she performs variant interpretation and reporting for genome-based testing, provides customer service to ordering providers, and contributes to new test development. Jessie also co-supervises students for their variant interpretation rotation.

Caitlin Hale, MS, CGC

Clinical Instructor (Affiliated), Department of Pediatrics

Genetic Counselor, Stanford Clinical Genomics Program

Caitlin graduated from the University of Michigan Genetic Counseling Program in 2015. She initially worked as a genetic counselor in Medical Genetics at LPCH, providing genetic counseling to patients in a variety of general and subspecialty pediatric clinics. In 2019, Caitlin moved to a genetic counselor role in the Stanford Clinical Genomics Laboratory. Her work involves variant interpretation and reporting writing for genome-based testing, as well as new test development. Caitlin has an interest in the implementation of whole genome sequencing, copy number variant analysis, and genetic test report design and language. She is involved in teaching and supervision in the context of variant interpretation and cytogenetics. 

Tiffany Nguyen Dolphyn, MS, CGC

Clinical Assistant Professor (Affiliated), Department of Pediatrics

Genetic Counselor, Stanford Clinical Genomics Program

Tiffany graduated from Yale University in 2016 with a B.S. in biology and received her M.S. in Human Genetics and Genetic Counseling from Stanford University in 2020. After graduate school, Tiffany worked at Texas Children’s Hospital and Baylor College of Medicine as a research genetic counselor, helping patients and families affected by neurological, rare, and undiagnosed diseases. In 2022, she returned to Stanford in a remote role with the Clinical Genomics Program where she performs variant assessment and reporting for genome-based testing and contributes to new test development. Tiffany enjoys teaching about variant interpretation and mentoring student research projects.
 

Eric Johns, MMSc, CGC

Genetic Counselor, Genetic Testing Optimization Service

Antoine Rajkovic, MS

Genetic Counselor, Stanford Cytogenetics and Fluorescence in situ hybridization (FISH) Laboratory

Linbo Yu, MS, CGC

Clinical Instructor (Affiliated), Department of Pediatrics 

Senior Genetic Counselor, Genetic Testing Optimization Service

Linbo is the senior genetic counselor of Genetic Testing Optimization Service (GTOS) at Stanford Clinical Lab. She received her Bachelor of Science in Microbiology, Immunology and Molecular Genetics from UCLA. She graduated from the Genetic Counseling Program at UC Irvine in 2009 and was certified by the ABGC in 2010. Prior to joining Stanford, Linbo worked as a lab genetic counselor at Ambry Genetics for three years. She also worked in the Variant Curation team at Counsyl after moving to the Bay Area. In 2014, She became the first lab genetic counselor at Stanford Hospital and a founding member of the Genetic Testing Optimization Service. As a clinical liaison between Stanford Clinical Lab and the ordering providers, some of her roles involve assisting clinicians with selection of genetic tests and educating them about genetic diseases and test information. In addition, Linbo has enjoyed supervising students during their GTOS rotation. She has also served as a guest lecturer for GENE 272 and a mentor for student research project.

Sophia Adelson, MS, CGC

Research Genetic Counselor, Pediatrics

Sophia received her Master’s degree in Genetic Counseling from Stanford University in 2025. She is a Research Genetic Counselor in the Department of Pediatrics, Division of Genetics and a member of the Tise Research Team, the GREGoR Consortium, and the Undiagnosed Diseases Network. Sophia's research projects focus on reproductive genetics (including recurrent pregnancy loss), newborn screening, and rare disease genomics. In her role, Sophia facilitates informed consent and return of genomic results to research participants, and contributes to genomic data interpretation and analysis. She has a strong interest in genetic counseling education and enjoys mentoring students at all levels.

Sarah Huang, MS, CGC

Cardiology Research and Program Coordinator

Sarah Huang (she/her) graduated from Stanford’s Genetic Counseling Program in 2025 and is a research analyst and program manager at Stanford’s Center for Inherited Cardiovascular Disease. In this role, she leads various patient engagement initiatives and cardiovascular genomics research efforts, including longitudinal studies and gene therapy trials. Beyond cardiology, she is passionate about qualitative research and exploring perspectives on genetic information, particularly among Asian American and other diverse communities.

Thuy-mi (Mimi) Nguyen, MS

Research Genomics

Thuy-mi (Mimi) received her Master's degree in Genetic Counseling from the University of Colorado, Anschutz Medical Campus in 2015. She began her career at Mayo Clinic as a genetic counselor in the Cytogenetics Laboratory, and also practiced in Whole Exome Sequencing Clinic and Cystic Fibrosis Clinic. Mimi joined the Snyder Lab at Stanford University in 2021, where she analyzes whole genome sequencing data, facilitates informed consent and return of results to study participants, and supervises genetic counseling students in variant interpretation rotations.

Beth Pollard, MS, CGC

Research Genomics

Elizabeth (Beth) completed her Master’s degree in Cell and Molecular Biology at the University of Chicago in 2015, and previously worked as a research technologist at a neuroscience-focused pharmaceutical startup. She also earned a Master's degree in Genetic Counseling at Northwestern University in 2020, where she received an award for best student research for her thesis work studying the impacts of restrictive abortion laws on prenatal genetic counselors. She moved to the Bay Area and practiced clinically as a prenatal genetic counselor before joining the Snyder lab at Stanford University in 2022. As a research genetic counselor, Beth analyzes whole genome sequencing data, consents and returns results to research participants, and supervises genetic counseling student rotations in variant interpretation.

Juliana Rodegheri Brito, MS, CGC

Genetics Research Data Analyst

Stanford Center for Undiagnosed Diseases

Paige Calvert, MS, CGC

Clinical Instructor (Affiliated), Department of Pediatrics

Santa Clara Valley Medical Center, Pediatrics/General Genetics

Paige graduated from the University of Wisconsin-Madison’s genetic counseling program in 2021. While in graduate school, she was a LEND fellow, where she completed coursework and research in neurodevelopmental disabilities. She began working at Santa Clara Valley Medical Center in August 2021 and currently provides general/pediatric genetic counseling as well as prenatal counseling. She aided in re-establishing Valley Medical Center as a clinical rotation site for Stanford’s genetic counseling program. Paige enjoys teaching and mentoring genetic counseling students and provides clinical supervision of genetic counseling students.