Bradley D. Anawalt, MD is the Chief of Medicine at the University of Washington Medical Center and Professor and Vice Chair of the Department of Medicine at the University of Washington. He earned his bachelor¹s degree in anthropology at the University of Santa Clara and his medical degree at the University of California at Davis.

Dr. Anawalt completed his internal medicine residency at the University of Washington in 1992 and served as chief resident at the Seattle VA Medical Center 1992-1993. He completed a fellowship in endocrinology at the University of Washington and joined the faculty in 1995.

Dr. Anawalt's teaching has been recognized with the Paul Beeson teaching award and the endocrine-fellowship teaching award at the University of Washington. He serves as a consultant to the United States Anti-Doping Agency, on the editorial board of the Journal of Clinical Endocrinology and Metabolism and North American editor of Clinical Endocrinology. He also writes questions for the American Board of Internal Medicine self-evaluation program (for board re-certification). He has done research in male infertility, male hormonal contraception and the male reproductive physiology. He lives in Seattle with his wife and three daughters.

Shehzad S. Basaria, MD, is Associate Professor of Medicine and Medical Director, Section of Men’s Health, Aging and Metabolism at Brigham and Women’s Hospital Harvard Medical School in Boston, Massachusetts.

Dr Basaria graduated from Aga Khan University Medical College, in Karachi, Pakistan. He completed an internship and a residency at the University of Texas Health Sciences Center, in Houston, and then an endocrine fellowship at Johns Hopkins University School of Medicine, in Baltimore, Maryland.

Dr Basaria's research interests include outcomes of late-onset hypogonadism, cardiometabolic complications of androgen deprivation in prostate cancer, and effects of testosterone replacement on pain sensitivity in hypogonadal men. He has lectured at international and national meetings on topics related to his research.

Dr Basaria has authored many original articles, reviews, and editorials and several book chapters. His work has been published in New England Journal of Medicine, Archives of Internal Medicine, Journal of Clinical Oncology, Journal of Clinical Endocrinology & Metabolism, Clinical Endocrinology, Journal of Andrology, and Journal of Urology. He serves on the editorial boards of Journal of Clinical Endocrinology & Metabolism, Asian Journal of Andrology, and Aging Male.

He holds memberships in the Endocrine Society and the American Thyroid Association. He was named Most Outstanding Teacher in 2002 by the Johns Hopkins University Department of Medicine and Outstanding Reviewer in 2009 by Journal of Clinical Endocrinology & Metabolism.

 Alvin M. Matsumoto, MD is a Professor in the Department of Medicine, and Acting Head of the Division of Gerontology and Geriatric Medicine at the University of Washington, School of Medicine in Seattle, Washington. He is Director of the Clinical Research Unit; Associate Director of the Geriatric Research, Education and Clinical Center; and an Attending Physician in Internal Medicine, Geriatric Medicine and Endocrinology & Metabolism at the Department of Veterans Affairs Puget Sound Health Care System in Seattle.

Dr. Matsumoto received his medical degree in 1975 from the University of Washington, School of Medicine in Seattle. Following his residency and chief residency in internal medicine at the University of Washington School of Medicine Affiliated Hospitals from 1975-1979, he was a senior fellow in Medicine/Endocrinology & Metabolism at the University of Washington School of Medicine from 1979-1982. Dr. Matsumoto is a diplomat of the American Board of Endocrinology and Metabolism and American Board of Internal Medicine.

Dr. Matsumoto has written 145 peer-reviewed, original research papers, and over 70 invited reviews and book chapters. His research has focused on physiological and clinical effects of testosterone and its active metabolites, estradiol and dihydrotestosterone in young and aging men, diagnosis, treatment and management of male hypogonadism, endocrine control of spermatogenesis and testis function, and male contraceptive development.

Dr. Matsumoto is active in numerous specialty societies. In 2012, he received the Sidney H. Ingbar Distinguished Service Award from The Endocrine Society. He has served as the Chair of the Hormone Foundation Committee, a Member of the Androgen Deficiency Clinical Practice Guideline Task Force and the Clinical Program Chair for the 2001 Annual Meeting of The Endocrine Society. Currently, he serves on the Editorial Board of the Journal of Clinical Endocrinology & Metabolism and as a Section Editor for Male Reproductive Endocrinology for UpToDate.