Mark Kleiman is a professor of policy studies at the UCLA School of Public Policy and Social Research. He teaches methods of policy analysis, political philosophy, and drug abuse and crime control policy. He is also the Chairman of BOTEC Analysis Corporation, a Cambridge, Massachusetts firm that conducts policy analysis and contract research on illicit drugs, crime, and health care. Previously, he held teaching positions at the John F. Kennedy School of Government and the University of Rochester. Professor Kleiman’s primary research interests are drug abuse and crime control, with special attention to illicit markets and the design of deterrent regimes. His past positions include: Director of Policy and Management Analysis for the Criminal Division of the U.S. Department of Justice, Deputy Director for Management of the Office of Management and Budget for the City of Boston, Special Assistant to Edwin H. Land at Polaroid Corporation, and Legislative Assistant to Congressman Les Aspin. He directed a study of the Drug Enforcement Administration for the Clinton transition team. Currently, he chairs the drug policy committee of the Federation of American Scientists and edits its Drug Policy Analysis Bulletin.