John E. Wennberg, M.D., M.P.H., is the Peggy Y. Thomson Professor (Chair) in the Evaluative Clinical Sciences and Founder and Director Emeritus of The Dartmouth Institute for Health Policy and Clinical Practice. He has been a Professor in the Department of Community and Family Medicine since 1980 and in the Department of Medicine since 1989. He is a graduate of Stanford University and the McGill Medical School.

Dr. Wennberg and colleague Al Mulley are co-founders of the Foundation for Informed Medical Decision Making, a non-profit corporation providing objective scientific information to patients about their treatment choices using interactive media.

Dr. Wennberg is the founding Editor of The Dartmouth Atlas of Health Care, which examines the patterns of medical resource intensity and utilization in the United States. The Atlas project has also reported on patterns of end of life care, inequities in the Medicare reimbursement system, and the underuse of preventive care.