Who We Are

SPHERE is represented by a diverse team of scientists, researchers, administrators, and community partners who have come together to advance the field of ethical Precision Health and improve health disparities.

The SPHERE team includes the following key leaders:

Mark Cullen, MD.

Principal Investigator

Sr. Associate Dean of Research, Director, Stanford Center of Population Health Sciences, Stanford Medicine


Yvonne (Bonnie) Maldonado, MD

Principal Investigator

Sr. Associate Dean, Faculty Development and Diversity, Professor of Pediatrics, Stanford Medicine


Jill Evans, MPH

SPHERE Director

Center for Population Health Sciences


Michael Snyder, PhD

BRAICELET Project Lead

Director, Center for Genomics and Personalized Medicine, Stanford Medicine



Jennifer Li Pook Than, PhD

BRAICELET Project Coordinator

Research Scientist, Snyder Lab, Stanford Medicine



Tom Robinson, MD, MPH

Integrated Personalized Omics Profiling in High Risk Latino Children, Project Lead

Professor in Child Health, Stanford Medicine

V.J. Periyakoil, MD

Communicating Cancer Genetics Information Lead

Associate Professor of Medicine, Stanford Medicine



Eran Bendavid, MD

Analytics and Modeling Core Lead

Associate Professor of Medicine, Stanford Medicine


Carlos Bustamante, PhD

Laboratory Core Lead

Professor of Biomedical Data Science, Genetics, and by courtesy of Biology, Stanford Medicine


Lisa Goldman-Rosas, PhD, MPH

Implementation and Consortium Core Lead

Faculty Director, Community Engaged Research, Center for Population Health Sciences, Stanford Medicine

Genevieve Wojcik


Postdoctoral Research Fellow in Biomedical Data Sciences