Principal Investigators

Arthur Schatzkin
Chief
Nutritional Epidemiology Branch

Dr. Schatzkin received a B.A. from Yale University, an M.D. from the State University of New York, and an M.P.H. and Dr.P.H. from Columbia University. He is board certified in internal medicine and preventive medicine and public health. He joined NCI in 1984 as a senior staff fellow in the Cancer Prevention Studies Branch of the Division of Cancer Prevention and Control, becoming a senior investigator in 1988. In 1997 he joined the Nutritional Epidemiology Branch of the Division of Cancer Epidemiology and Genetics. His research focuses on the nutritional etiology and prevention of cancer. He received the NIH Merit Award in 1996 for work on the Polyp Prevention Trial.

Michael Leitzmann
Co-Principal Investigator
Nutritional Epidemiology Branch

Dr. Leitzmann earned a medical degree at the University of Berlin, Germany, followed by a fellowship in Sports Physiology and a medical residency in Internal Medicine. In 1995, Dr. Leitzmann joined the Harvard School of Public Health, where he received an M.P.H. with a concentration in Quantitative Methods in 1996 and a doctorate in Epidemiology and Nutritional Epidemiology in 2000. He joined the NCI as an Investigator in the Nutritional Epidemiology Branch in 2002. His main research interests are the interrelationships between body size, physical activity, and cancer.