Our Team

Bonnie Halpern-Felsher, PhD, FSAHM
Professor, Founder/Director of REACH Lab, Tobacco Prevention Toolkit, Cannabis Awareness & Prevention Toolkit, Executive Director of Safety First

Dr. Bonnie Halpern-Felsher is the Marron and Mary Elizabeth Kendrick Professor in Pediatrics II in the Division of Adolescent Medicine, Department of Pediatrics, Stanford University. She holds courtesy appointments in Epidemiology & Population Health and Psychiatry & Behavioral Sciences. She is also the Director of Fellows’ Scholarship and Co-leader of one of the residency scholarly concentrations in the Department of Pediatrics, and Director of Research in Adolescent Medicine. She is also director of the REACH Lab.

Dr. Halpern-Felsher is a developmental psychologist with additional training in adolescent and young adult health. Funded by the NIH and many foundations, her research has focused on understanding and reducing adolescent and young adult tobacco use, alcohol and marijuana use, and risky sexual behavior. Her research, including about 200 publications in journals such as JAMA Network, Pediatrics, and the American Journal of Public Health, as well as her committee and policy work, have been instrumental in setting policy at the local, state, and national level. She has served as a consultant to a number of community-based adolescent health promotion programs and has been an active member on several national campaigns to understand and reduce adolescent tobacco/e-cigarette use. She has testified in several states and at the FDA arguing for more tobacco/e-cigarette regulation, served on six Institute of Medicine/National Academies of Medicine committees, and contributed to three Surgeon General Reports, all focused on reducing adolescent risk behavior and promoting health. Dr. Halpern-Felsher also translates her research findings into adolescent prevention programs, such as three programs in which she is the founder and executive director: Tobacco Prevention Toolkit, the Cannabis Awareness and Prevention Toolkit, and the Vaping Information, Solutions, and Interventions Toolkit. These internationally recognized and used toolkits have reached over 3 million students. In addition to her scholarly work, Dr. Halpern-Felsher leads several programs and courses focused on teaching research, including leading the Department of Pediatrics’ fellowship research education academy and grant writing club, co-leading within the Department of Pediatrics’ residency scholarship programs, and being the instructor for Epi 244, focused on teaching survey development. Dr. Halpern-Felsher also developed and directs several mentoring programs for underrepresented youth, having mentored over 300 high school students over the past 20 years. In recognition of her research, advocacy and mentoring roles, Dr. Halpern-Felsher received the Department of Pediatrics’ Advocacy Award in 2019, the Postdoc Mentoring Award in 2019, and the Clinical Science Research Award in 2021.

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Anabel Razo, BA
Lab Manager

Anabel is a member of the core research team, as well as the Lab Manager of the REACH Lab, in the Division of Adolescent Medicine, Department of Pediatrics at Stanford University. Anabel graduated from the University of California Merced with a degree in Psychology and Sociology. During her undergraduate education, she interned at multiple healthcare centers, which developed her passion for community health. Anabel has previously worked at local health care centers and hospitals in the Bay Area, including Lucile Packard Children’s Hospital at Stanford. As a Lab Manager and member of the core research team, Anabel’s focus is survey data collection, compiling progress reports on research and impact, development and analysis, managing social media platforms, and supporting the team with overall management and coordination.

Stephanie Logarta, BA
Administrative Associate

Stephanie Logarta is an Administrative Associate in the Division of Adolescent Medicine. She provides administrative and operational support to the Division, including Dr. Bonnie Halpern-Felsher and the Stanford REACH Lab. Stephanie graduated from San Jose State University with a bachelor’s degree in Business Administration/Human Resource Management. Stephanie has previously worked in multiple industries, such as retail, hospitality, real estate, and technology. Stephanie is a San Francisco native, and enjoys spending time with her family, exploring new places, and trying new restaurants in the Bay Area.

Shivani Gaiha, PhD
Instructor, Division of Adolescent Medicine and REACH Lab

Shivani Gaiha, Ph.D., M.Sc., is an Instructor in the Division of Adolescent Medicine, Department of Pediatrics at Stanford University’s School of Medicine. She received a Ph.D. in Public Heath from the London School of Hygiene and Tropical Medicine. Her current research interests include tobacco-related marketing, epidemiological and experimental statistics, developing and evaluating prevention programs, health promotion and behavior change, and community-based participatory research. She is the recipient of the K99/R00 Pathway to Independence Award in Tobacco Regulatory Science from the National Cancer Institute/National Institutes of Health and Career Development Award in Adolescent Health from the Society for Adolescent Health and Medicine. Read more here.

Devin McCauley, PhD
Postdoctoral Scholar

Devin McCauley earned his PhD in Human Development and Family Studies from The Pennsylvania State University in 2021, where he studied family, peer, and school influences on adolescent mental health and well-being. As a postdoctoral scholar in the REACH Lab, he is applying his developmental training to evaluate risk and protective factors associated with adolescent e-cigarette and cannabis use. He is particularly interested in informing, developing, and evaluating prevention programs that prevent adolescent substance use and promote health and well-being.

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Jessica Liu, PhD, MPH
Postdoctoral Scholar

Jessica Liu earned her PhD in Population Health Sciences at the Department of Social and Behavioral Sciences at the Harvard T.H. Chan School of Public Health. Jessica's research focuses on adolescent health and school-based prevention interventions, specifically around adolescent vaping of nicotine and other substances such as cannabis. She is also very passionate about teaching and mentoring, and hopes to pursue a career as a professor. Fun fact – Jessica’s passion for teaching even extends to fitness, as she is a certified spin, barre, and group fitness instructor!

Lauren Lempert, JD/MPH
Director of Policy

Lauren Kass Lempert has been working in tobacco control law and policy since 2011. As an attorney with an MPH in health policy, Lauren advises colleagues on federal law to help researchers adapt their scientific studies to better inform FDA tobacco regulations, as well as on state and local laws and policies. Additionally, Lauren conducts research to inform policy on a wide range of issues including the policy implications of novel products that are appealing to youth including non-nicotine e-cigarettes and oral nicotine products, the impacts on youth of industry marketing and promotions and FDA’s marketing orders for newly authorized e-cigarettes and heated tobacco products, tobacco product packaging, and industry targeting of AI/AN and other vulnerable populations.

Marcia Zorrilla, DrPH
Director of Positive Youth Development, Director of Stanford Youth Action Board

Dr. Marcia Monica Zorrilla joined the REACH Lab in 2019 as the Director of Positive Youth Development and Public Health Specialist. Dr. Zorrilla is a a bi-lingual (Spanish/English) / bi-cultural Master Certified Health Education Specialist (MCHES) with 25 years of clinical experience working in the adolescent health, youth development, and school-based health care fields. More recently, she is a Substance Use Disorder Registered Counselor (SUDRC). She is the staff and mentor of the young people who make up the Youth Action Board (YAB) which is an online internship program. Additionally, she is involved in curriculum development and conducting trainings for educators, health providers, parents, and youth advocates on the toolkits, primarily Healthy Futures and VISIT. She is the Project Director of a MCHRI study on Youth Perceptions of the Racialization of Cannabis: Implications for Prevention and Policy (Speak Up!). Dr. Zorrilla has a DrPH in health promotion and education from the Loma Linda University School of Public Health and an MPH in community health education from New York University. Her dissertation focused on mental health literacy, depression, and helping seeking intention among young adults in San Francisco.

Juanita Greene, BA
Director of Curriculum Development

Juanita T Greene is a Bay Area California native and university graduate from Sacramento State. She earned her B.A. in Political Science with a concentration in International Relations with a minor in African studies. After graduating, Juanita had spent 6 years in ESL education development working as an English teacher in Costa Rica, Peru, and Colombia. Seeing how the covid pandemic has affected many teens globally, Juanita wanted to turn her focus to creating meaningful content that will help teens navigate mindful decision-making and produce tools that will have a positive impact on teens’ wellness.

Carly Noelani Kajiwara, BA
Education Coordinator

Carly Noelani Kajiwara was born and raised in Moanalua, Oʻahu. She graduated from Kamehameha Schools and went on to UC Berkeley where she majored in Psychology and Creative Writing. She has experience in both a healthcare and legal setting. Her interests are at the intersection of psychology and the law, particularly working with minority communities. In her free time, Carly enjoys surfing, traveling, working on new crafts, writing short stories, and going on adventures with her border collie, Nala.

Scott Gerbert, MBA
Director, Outreach and Strategic Partnerships Adolescent Health and Wellness

David Cash, BA
Project Co-Director, Research & Evaluation

Holly Lung, BS
Project Co-Director, Research & Evaluation

Holly is a research coordinator for the Stanford REACH Lab and works on the implementation of several research projects run in the lab, including prospective evaluations of the lab's 'You and Me, Together Vape-Free' and 'Let's Talk Cannabis' curriculums. Holly graduated from UC San Diego in 2021 with a B.S. in Public Health. Prior to joining the REACH Lab, she worked as a research assistant on multiple Tobacco-Related Disparities Research Program grant projects, including a pilot study investigating the feasibility of integrating tobacco cessation into HIV care, and as a fellow for the Tobacco Center of Regulatory Science at USC. Holly's primary research interests are in tobacco and cannabis use patterns among adolescents. In her free time, she enjoys cooking with friends and spending time with her dog, Memo!

Brandon Tran
Graphic Designer

Brandon is a graphic and web designer for the Stanford REACH Lab. He works on both the Research and Evaluation side as well as the curriculum team to develop and design webpages for both internal and external-use. He previously spent 5 years at the Department of Veteran Affairs Healthcare System as a visual designer, developing programs and marketing solutions for both staff and veterans. He also spent almost 2 years working in freelance and at one of the largest marketing agencies in the U.S. prior to coming to Stanford REACH Lab.

Clea Sarnquist, DrPH
Associate Professor

Dr. Sarnquist focuses on applied teaching and research on the development, implementation and evaluation of interventions to decrease gender-based violence and prevent HIV infection, especially among adolescents and children. She is particularly interested in rights-based approaches that tackle the complex interplay of factors that lead to poor health for many children and families. All of her work is applied, with direct links to health practice and policy, and usually performed in conjunction with non-governmental organizations and government partners. She works both globally and in the U.S., with a focus on sub-Saharan Africa.

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Mike Baiocchi, PhD
Associate Professor, Statistician

Bradley Zicherman, MD
Psychiatrist, Co-Founder VISIT

Brad Zicherman, is a psychiatrist and clinical assistant professor in the Stanford Department of Child and Adolescent Psychiatry. Dr. Zicherman is the founder of the Stanford Youth Recovery Clinic, which offers clinical services for youth struggling with substance and behavioral addictions. Dr. Zicherman is fellowship trained in Child and Adolescent Psychiatry, Addiction Psychiatry, and Forensic Psychiatry.

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Arash Anoshiravani, MD
Adoloescent Medicine; Co-Founder VISIT

Halpern-Felsher REACH Lab

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