Chief Executive Officer Emeritus, American Association for the Advancement of Science; Executive Publisher, Science Magazine. Former Director, National Institute on Drug Abuse; Acting Director and Deputy Director, National Institute of Mental Health, National Institutes of Health; Executive Officer for Biological, Behavioral and Social Science, National Science Foundation; Fulbright Lecturer and Visiting Scientist, Weizman Institute of Science (Israel); Professor of Psychology, Bucknell University; Board of Directors, Children's Research Institute, Children's National Medical Center; Member, National Advisory Council for Complementary and Alternative Medicine.
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