Alan I. Leshner, PhD

Alan I. Leshner, PhD, served as Chief Executive Officer of the American Association for the Advancement of Science and Executive Publisher of the journal Science from December 2001 to February 2015. AAAS (triple A-S) was founded in 1848 and is the world's largest, multi-disciplinary scientific and engineering society.

Before coming to AAAS, Leshner was Director of the National Institute on Drug Abuse (NIDA) from 1994-2001. One of the scientific institutes of the U.S. National Institutes of Health, NIDA supports over 85% of the world's research on the health aspects of drug abuse and addiction.

Before becoming Director of NIDA, Leshner had been the Deputy Director and Acting Director of the National Institute of Mental Health. He went to NIMH from the National Science Foundation (NSF), where he held a variety of senior positions, focusing on basic research in the biological, behavioral and social sciences, science policy and science education.

Leshner went to NSF after 10 years at Bucknell University, where he was Professor of Psychology. He has also held long-term appointments at the Postgraduate Medical School in Budapest, Hungary; at the Wisconsin Regional Primate Research Center; and as a Fulbright Scholar at the Weizmann Institute of Science in Israel. Leshner's research has focused on the biological bases of behavior.

Leshner received an undergraduate degree in psychology from Franklin and Marshall College, and M.S. and Ph.D. degrees in physiological psychology from Rutgers University. He also has been awarded seven honorary Doctor of Science degrees.  Leshner is an elected fellow of AAAS, the American Academy of Arts and Sciences, the National Academy of Public Administration and many other professional societies. He is a member of the National Academy of Medicine (formerly the Institute of Medicine) of the National Academies of Sciences, Engineering and Medicine, and served on its governing council. The President appointed Leshner to the National Science Board in 2004, and he was reappointed in 2010.