Peter James

Assistant Professor

Trained in environmental health and epidemiology, Peter has focused his research on estimating the influence of geographic contextual factors, including exposure to nature, the built environment, the food environment, air pollution, light pollution, noise, and socioeconomic factors, on health behaviors and chronic disease.

DPM Faculty Receive Prestigious Mentoring Awards

DPM Professor and Vice-Chair Emily Oken, MD, MPH and Assistant Professor Jason Block, MD, MPH are the recipients of the Excellence in Mentoring Awards from Harvard Medical School in recognition of their distinguished records of mentoring.  The Excellence in Mentoring Awards were established to recognize the value of quality mentoring relationships and the impact they have on professional development and career advancement in basic/clinical medicine, research, teaching, and administrati

Current Research

Patients’ and providers’ perspectives on ASCO’s value-focused decision tool for cancer treatment
Department of Population Medicine Faculty Grant
PI: Anita Wagner, PharmD, MPH, DrPH

The aim of this project is to assess awareness, acceptability and potential use of value frameworks among HPHC’s member with Chronic Lymphocytic Leukemia (CLL) and their providers.


Improving healthcare providers’ communication about HPV vaccine
NIH/NCI 1K22CA186979-01
PI: Melissa Gilkey, PhD

Karen Switkowski

Research Scientist

Karen Switkowski, PhD, MPH, is a Research Scientist in the Department of Population Medicine at Harvard Medical School and Harvard Pilgrim Health Care Institute. Her background is in nutrition science and epidemiology, and she is primarily interested in researching associations of early-life nutrition, including maternal diet and nutritional status during pregnancy, with child health outcomes. Dr. Switkowski works in the Division of Chronic Disease Research Across the Lifecourse (CoRAL) and mainly on Project Viva, a longitudinal study of mother-child pairs.