World-renowned Psychiatrist and Addiction Medicine Expert
Distinguished Life Fellow, the American Psychiatric Association
Distinguished Fellow, American College of Clinical Pharmacology
Professor, Chief, Distinguished Professor, Eminent Scholar, Distinguished Alumni Professor, Chairman and Emeritus Eminent Scholar, University of Florida College of Medicine (retired)
Professor (Adjunct), Washington University of St. Louis, School of Medicine, Department of Psychiatry
National Council, Washington University in St. Louis, Institute for Public Health
Director of Research, Drug Enforcement Administration (DEA) Educational Foundation working on global drug use, abuse and addiction problems and solutions
U.F. Chair of Psychiatry at the University of Florida
University of Florida, 17th Distinguished Alumni Professor, 2011 – 2014,
Distinguished Service Professor in the Departments of Psychiatry, Neuroscience, Anesthesiology, and Community Health & Family Medicine at the University of Florida College of Medicine