Dr. Richard V. Clark is recently retired from GlaxoSmithKline (GSK) Research and Development, as the Director of Discovery Medicine in the Metabolic Therapeutic Area. He is now consulting. He received his M.D. and Ph.D. at the University of Washington, Seattle. Clark conducted clinical practice and research in endocrinology and metabolism at both Emory University and Duke University Schools of Medicine before joining GSK. He is a former president of the Andrology Society of America (1998-1999). He has served on the USADA Anti-Doping Review Board, assisted with special case interpretations, and served as an expert witness.