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U.S. Anti-Doping Agency (USADA)

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Alvin M. Matsumoto, MD


Dr. Al Matsumoto portrait
Dr. Al Matsumoto Board Member since 2019

Dr. Alvin M. Matsumoto is a professor in the Department of Medicine, Division of Gerontology and Geriatric Medicine at the University of Washington School of Medicine in Seattle, Washington. He has also served on the Partnership for Clean Competition Scientific Advisory Board since 2008. With the Seattle Institute for Biomedical and Clinical Research at the Department of Veterans Affairs Puget Sound Health Care System in Seattle, Dr. Matsumoto further serves as vice president of the board of directors and as: director of the Clinical Research Unit; associate director of the Geriatric Research, Education and Clinical Center; acting chief of the Gerontology Section; and attending physician in Internal Medicine, Geriatric Medicine and Endocrinology and Metabolism.

Dr. Matsumoto has written more than 191 peer-reviewed research papers, as well as more than 93 invited reviews and book chapters. His research has focused on physiological and clinical endocrine and intracrine effects of testosterone and it’s active metabolites in aging men, diagnosis and management of male hypogonadism, endocrine control of human spermatogenesis and testis function, male infertility and contraceptive development, and anabolic steroid abuse. 

Dr. Matsumoto is active in numerous professional societies. Currently, he is a member of the Task Force for Clinical Practice Guidelines on Testosterone Treatment of Men with Hypogonadism of The Endocrine Society and Co-Chair of the Partnership for the Accurate Testing of Hormones. He has been a member of the Population Research Subcommittee, NICHD Initial Review Group 1996-2000 and the Reproductive Endocrinology Study Section, NIH 1990-1994. Currently, he serves as an editor for the Journal of Clinical Endocrinology & Metabolism and as a section editor for Male Reproductive Endocrinology for UpToDate. He has additionally served on the Research Policy Advisory Committee (2005-2008) and Therapeutic Use Exemption Committee (2008-2019) for the United States Anti-Doping Agency.

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