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David W. Murray is a senior fellow at 91���� Institute, where he co-directs the Center for Substance Abuse Policy Research. While serving previous posts as chief scientist and associate deputy director (supply reduction) in the federal government’s Office of National Drug Control Policy, Dr. Murray directed extensive scientific research on all aspects of the drug problem and helped coordinate high-level inter-agency efforts to limit the production of illicit drugs and counter the transnational criminal organizations that control their global shipment and marketing.

Before entering government, Dr. Murray was executive director of the Statistical Assessment Service and held academic appointments at Connecticut College and Brown, Brandeis, and Georgetown Universities. He is the author of numerous scholarly papers, essays, and commentaries; co-author (with Joel Schwartz and S. Robert Lichter) of the widely-noted book It Ain't Necessarily So: How Media Make and Unmake the Scientific Picture of Reality; and a frequent guest on major network television and radio programs.

Dr. Murray holds an MA and PhD in social anthropology from the University of Chicago.