Meet Our Team


Esther M. John, Ph.D., M.S.P.H.

Principal Investigator

Dr. Esther John is the Principal Investigator of the California site of the Breast Cancer Family Registry.

Dr. John is Professor of Epidemiology & Population Health and of Medicine (Oncology), and co-leader of the Population Sciences Program of the Stanford Cancer Institute. She has been involved in the Family Registry since its inception in 1995. Dr. John is a cancer epidemiologist and her research focuses on the etiology and outcomes of breast and prostate cancer, to better understand modifiable lifestyle, hormonal and genetic causes and outcomes of these common cancers. She has a special interest in understanding cancer health disparities and cancer in Hispanics, African Americans, and Asian Americans.


Allison W. Kurian, M.D., M.Sc. 


Dr. Allison Kurian is Professor of Medicine (Oncology) and of Epidemiology & Population Health at Stanford University School of Medicine.

Dr. Kurian’s research focuses on the identification of women with elevated breast and gynecologic cancer risk, and on the development and evaluation of novel techniques for early cancer detection and risk reduction. One current area of investigation is the utility of next-generation sequencing technology for clinical decision-making.

Dr. Kurian is also the Director of the Stanford Women’s Clinical Cancer Genetics Program. Her clinical practice is focused on women at high risk for developing breast and gynecologic cancers. She is a clinically active oncologist, treating patients diagnosed with breast cancer.


Research Staff

Jocelyn Koo


Jenny Nguyen

Clinical Research Coordinator Associate

Katrina Garcia

Research Interviewer/Phlebotomist