QSU Leadership
Manisha Desai, Ph.D.
Mary Boulos, M.P.P.
QSU Staff
Derek Boothroyd, Ph.D.
Senior Biostatistician
Derek joined the Quantitative Sciences Unit in October 2014. He received his PhD in Statistics from Stanford University in 2001 where his doctoral research was applied to modeling progression of kidney function in diabetic nephropathy.
Bren Botzheim, M.S.
Biostatistician
Bren completed their MS in Statistical Data Science at San Francisco State University (SFSU). Prior to working at the Quantitative Sciences Unit, they collaborated with faculty at SFSU and UCSF to develop novel feature selection methods for high-dimensional immune repertoire data. Their programming expertise is in R and Python.
Kristen Cunanan, Ph.D.
Kristen joined the Quantitative Sciences Unit in July 2018. Prior to Stanford, she was a Research Scholar at Memorial Sloan Kettering Cancer Center. Kristen received her PhD in Biostatistics from University of Minnesota in 2015.
Himani Darji, M.P.H.
Biostatistician
Himani has graduated from Loyola University Chicago with MPH degree. During medical school, she focused on healthcare data and research. Her previous experiences include working with St. Jude Children’s Research Hospital and, Baylor Scott and White Health.
Victoria Ding, M.S.
Vicki completed her M.S. in Biostatistics at the University of Washington, where she engaged in collaborative research pertaining to mental health and gerontology.
Ariadna Garcia, M.S.
Ariadna joined the Quantitative Sciences Unit in January 2016. She completed her M.S. in Management Information Systems at the University of Illinois at Chicago.
Anna Graber, Ph.D.
Anna joined the Quantitative Sciences Unit after working for three years at the Stanford Research Informatics Center, where she gained experience with extracting data from Clarity and the OMOP CDM, working with researchers throughout the Stanford SoM.
Bo Gu, M.S.
Bo graduated from New York University with a master’s degree of Biostatistics. At NYU, Bo worked as a volunteer researcher at the department of Population Health, NYU Grossman school of Medicine. Bo joined the Quantitative Sciences Unit in June 2022.
Yuan Gu, Ph.D.
Senior Biostatistician
Yuan Gu joined the Quantitative Sciences Unit in December 2023. She received her PhD in Biostatistics from George Washington University. Her research interest is centered on machine learning and deep learning, nonparametric modeling, survival analysis, time series analysis, and clinical trials across various medical domains including oncology, cardiology, neurology etc. Her programming expertise is in R and Python.
Fatma Gunturkun, Ph.D.
Senior Biostatistician
Fatma joined the Quantitative Sciences Unit in December of 2022. Prior to Stanford, she was a senior biomedical analyst at the University of Tennessee Health Science Center, Center for Biomedical Informatics. She got her PhD in statistics from Dokuz Eylul University, Turkey in 2019.
Haley Hedlin, Ph.D.
Haley joined the Quantitative Sciences Unit in 2013 after completing a postdoctoral position with the Five Colleges Consortium. She received her PhD in Biostatistics from Johns Hopkins in 2011.
Alexandria Jensen, Ph.D.
Senior Biostatistician
Alex joined the Quantitative Sciences Unit in October 2022. She received her Ph.D. in Biostatistics from the University of Colorado – Anschutz Medical Campus. Her graduate work focused on applications of graph theory and kernel machine methods to neuroimaging data.
Yinyao Ji, M.S.
Yinyao joined the QSU in April 2024. She got her master’s degree in Biostatistics from Duke University in 2019.
Yann Le Guen, Ph.D.
Assistant Director of Computational Biology
Justin Lee, M.P.H.
Su Jin Lim, ScM
Biostatistician
Su Jin received my ScM in Biostatistics from Johns Hopkins University in 2018. Prior to the QSU, she was a biostatistician in the Division of Quantitative Sciences at the Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins. During her time at Johns Hopkins, she closely collaborated with investigators, providing statistical support for their early phase clinical trials and cancer research, with a focus on gastrointestinal and prostate cancer.
Yuhan Liu, M.S.
Yuhan joined the QSU in March 2021. She got her master’s degree in Biostatistics from Duke University. After that and prior to QSU, she worked as a biostatistician at the Vanderbilt University Medical Center where she worked on ophthalmology and pediatrics projects.
Di Lu, M.S.
Di joined the Quantitative Sciences Unit in February 2020. She completed her Master in Biostatistics at Duke University.
Rong Lu, Ph.D.
Rong joined the Quantitative Sciences Unit in 2020. Prior to Stanford, she was a senior biostatistical consultant at UT Southwestern Medical Center (UTSW). She received her PhD in Biostatistics from The Ohio State University (OSU) in 2016.
Ingrid Luo, M.S.
Biostatistician
Ingrid joined the Quantitative Sciences Unit in April 2023. She completed her M.S. in Biostatistics at the University of Washington.
Andy Martin, PhD
Information System Specialist
Andy brings a diverse background of applied science and technology to QSU. He completed his PHD at UC Berkeley studying protein conformational dynamics and unnatural amino acid expression.
Kate Miller, Ph.D.
Ankita Mishra, M.S.
Biostatistician
After completing an internship at QSU, Ankita joined the team full-time in 2024. She holds a master's degree in Statistics from SJSU and an undergraduate degree in Physics.
Rafael Catoia Pulgrossi
Biostatistician
Rafael joined the Quantitative Sciences Unit (QSU) in October 2024, after completing his MS in Statistics from the University of California, Santa Cruz. His research focused on tailoring clustering methods for geo-spatial compositional data.
FeiFei Qin, M.P.H.
FeiFei joined the Quantitative Sciences Unit in February 2014 after completing her M.P.H. in Epidemiology and Biostatistics from UC Berkeley.
Victor Ritter, Ph.D.
Victor joined the Quantitative Sciences Unit in February 2022. He got his Ph.D. in Biostatistics from the University of North Carolina at Chapel Hill in August of 2021 and is interested in statistical methods for non and semiparametric inference for time-to-event data with a focus on competing risks, cure rate, and multistate models.
Nidia Rodriguez-Ormaza, MD, PhD, MPH
Senior Biostatistician
Nidia is a physician, epidemiologist, and public health advocate. She received her PhD in Epidemiology from the University of North Carolina at Chapel Hill in 2022 and joined QSU in 2023. Nidia has comprehensive experience in various healthcare systems and academic settings, including clinical practice in primary care and rural health, teaching, and collaborative research with a public health focus.
Keejeong Ryu, M.S.
Biostatistician
Keejoeng joined the Quantitative Sciences Unit in October 2023 after completing her M.S. in Biostatistics at the University of Michigan—Ann Arbor, and she also had a PharmD from South Korea.
Blake Shaw, M.S.
Blake joined the QSU in August 2022. He completed his MS in Biostatistics at UC Davis.
Sa Shen, Ph.D.
Sa received her Ph.D in statistics from the University of Pittsburgh. She has more than 20 years’ collaborating experience in working with researchers, scientists, physicians and clinicians on grant proposals and funded projects. Prior to Stanford, she was a senior biostatistician at the College of Applied Health Sciences at the University of Illinois at Urbana-Champaign.
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Chloe Su, Ph.D.
Senior Biostatisitician
Chloe Su joined the QSU in August 2024 after earning her PhD in Epidemiology & Clinical Research at the Stanford University School of Medicine. She received her B.S. in Molecular, Cell and Developmental Biology with a Minor in Biomedical Research from UCLA.
Megha Tandel, M.P.H.
Yingjie (Isabel) Weng, M.H.S.
Isabel joined the QSU in October 2017. She completed her M.H.S in Epidemiology from Johns Hopkins University in 2014.
Amy Zhang, M.P.H.
Amy joined the QSU in April 2022. She completed her MPH in Global
Epidemiology at Emory University. Prior to the QSU, Amy was an ORISE
Fellow at the Center for Disease Control and Preventioin, supporting
spina bifida research in the Division of Birth Defects and Infant
Disorders.
Kenny Zhang, M.S.
Biostatistician
Kenny Zhang joined the QSU in November 2020. He graduated from Duke University with a master’s degree in Biostatistics.
Mengrui Zhang, Ph.D.
Senior Biostatistician
Mengrui’s research focuses on leveraging advanced statistical and machine-learning techniques to extract meaningful insights from complex biological datasets. Mengrui received his Ph.D. degree in Statistics from the University of Georgia in May 2022.
QSU Administrative Staff
Ni Deng, M.S.
Ni joined the Quantitative Sciences Unit in 2019. Prior to Stanford, she worked in the Institutional Advancement Office at Whitehead Institute for Biomedical Research located in Cambridge, MA.
Cyra Ente
Cyra joined QSU in April 2022. She completed her bachelor’s in public health at the University of North Florida in 2021.
James Miller, M.B.A.
Jim came to Stanford in 2015, and spent four years as an award manager with the Department of Pathology before joining QSU in February 2021. Prior to Stanford, he spent much of his career in corporate finance and corporate treasury. Jim holds a BA and MBA from Northwestern University and The University of Chicago, respectively.
Aditi Mishra, M.S.
Operations Program Manager
Aditi joined the Quantitative Sciences Unit in 2024, building on her experience at the University of Chicago. She holds a Master’s degree in Computer Science from India, which gives her a strong technical foundation that complements her administrative expertise. With over a decade of experience in administration, Aditi has excelled in project management, team leadership, and streamlining operational processes. She is skilled in coordinating cross-functional teams, enhancing efficiency, and fostering collaborative environments that drive organizational success.