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Welcome to PSR's Environmental Health Policy Institute, where we ask questions -- then we ask the experts to answer them. Join us as physicians, health professionals, and environmental health experts share their ideas, inspiration, and analysis about toxic chemicals and environmental health policy.


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Walter H. Tsou, MD, MPH

Dr. Walter Tsou is a past president of the American Public Health Association and former health commissioner of Philadelphia. He is a founding member of the National Board of Public Health Examiners and a board adviser to Physicians for a National Health Program.  Dr. Tsou is also the president of Philadelphia Physicians for Social Responsibility.

An expert on health reform and health care financing, Dr. Tsou frequently briefs members of Congress on health care issues.  He is the recipient of numerous awards, including the Public Health Recognition Award from the College of Physicians of Philadelphia, the Leadership Award from the Delaware Valley Healthcare Council, and the Broad Street Pump Award from Physicians for Social Responsibility. He was named Practitioner of the Year by the Philadelphia County Medical Society in 2001.

Dr. Tsou received his medical degree from the University of Pennsylvania and his master’s degree from the Johns Hopkins School of Hygiene and Public Health. He holds an honorary doctorate in medical sciences from Drexel University.


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