Jeffrey N. Weitzel, M.D. is the chief of the Division of Clinical Cancer Genetics and director of the Cancer Screening & Prevention Program at City of Hope in Duarte, California. Dr. Weitzel is Board Certified in clinical genetics and medical oncology, as well as internal medicine and hematology.

Dr. Weitzel earned his bachelor of science degree, in microbiology at the University of Minnesota, Minneapolis, and later earned his medical doctorate from the University of Minnesota Medical School, Minneapolis. He completed an internship and residency in internal medicine at the University of Minnesota Hospitals and Clinics, and served as a research fellow in the Hematology Department at Royal Postgraduate Medical School at Hammersmith Hospital, London, U.K. He subsequently completed Hematology, Medical Oncology and Clinical Genetics Fellowships at the New England Medical Center, Boston, where he was an Assistant Professor of Medicine and of Obstetrics and Gynecology in the Tufts University School of Medicine.

Dr. Weitzel’s multidisciplinary clinical, research, and training programs emphasize translational research in genetic cancer risk assessment, chemoprevention, psychosocial and clinical outcomes research, and the major focus in the laboratory is on molecular oncology and women's cancers. He is a member of the American Society of Clinical Oncology, and serves on the Cancer Prevention subcommittee. He is also a member of the NCCN Genetics/Familial Risk Assessment practice guidelines committee.

Dr. Weitzel is the principal investigator for the City of Hope Cancer Genetics Education Program and for the Cancer Genetics Career Development Program, which are funded by the National Cancer Institute.