Carlos R. Hamilton, Jr., MD, FACE, has practiced clinical endocrinology and internal medicine, and he is the executive vice president of the University of Texas Health Science Center at Houston and a professor of internal medicine at the UT Houston Medical School. After graduating from Baylor College of Medicine, he completed his internship and residency at the Johns Hopkins Hospital, an endocrine fellowship at the Massachusetts General Hospital, and was chief resident in medicine at Hopkins. He was on the full-time faculty at Hopkins before serving two years as an endocrinologist at the Wilford Hall USAF Medical Center in San Antonio. He was in private practice for 26 years and was a clinical professor of medicine at Baylor College of Medicine before assuming his present position.

Dr. Hamilton has been active in medical organizations primarily as an advocate for medical practice and patient's rights. He has been a member of the AACE board of directors and served as chair of the AACE legislative and regulatory committee. He has also served as president of the Texas Society of Internal Medicine, the Harris County Medical Society and as chair of the Texas Medical Association Political Action Committee. He has served as a trustee of the American Society of Internal Medicine, as a member of the ACP-ASIM Health and Public Policy Committee and as a member of the AMA Federation Advisory Committee. He served as the 2004–2005 AACE president and as a trustee of the American College of Endocrinology. He is a past president on the AACE board of directors and president-elect of the American College of Endocrinology. He is a member of the practicing physicians advisory council to the US Secretary of Health and Human Services for issues related to the Center of Medicare and Medicaid Services. He also serves on the health, medicine and research committee of the World Anti-Doping Agency, which oversees the international prohibitions of the use of hormones and performance enhancing substances in athletic competition.

Philip Levy, MD, earned his BS with high honors at the University of Pittsburgh and his MD at the University of Pittsburgh School of Medicine, where he was a member of Alpha Omega alpha. He held a rotating internship followed by a fellowship in basic science at Michael Reese Hospital in Chicago, where he was also a resident and chief resident in internal medicine and a fellow in endocrinology and metabolism. He served as a clinical instructor in medicine at Chicago Medical School and as a research fellow with the American Diabetes Association at Guy's Hospital Medical School in London before opening a clinical practice in endocrinology in Phoenix, and he is a clinical professor of medicine at the University of Arizona College of Medicine.

Dr. Levy is the chairman of the section of endocrinology and metabolism at Good Samaritan Hospital and St. Joseph's Hospital, both in Phoenix. He is a past president of the Arizona Diabetes Association currently serves on the organization's board of directors. He has served on the board of directors and many committees of the American Diabetes Association, including the professional education committee and the governmental relations committee. A previous member of the board of directors of the American Association of Clinical Endocrinologists, Dr. Levy is a also a fellow of the American College of Endocrinology and a member of the Endocrine Society, the American College of Physicians, the American Diabetes Association, the Society of Nuclear Medicine, and the American Association of Clinical Endocrinologists. A frequently published author, Dr. Levy is on the editorial boards of Clinical Endocrinology and Endocrine Today.

Eric A. Orzeck, MD, FACE, CDE, is a clinical associate professor in the section of endocrinology in the department of internal medicine at Baylor College of Medicine. He is also a member of the clinical faculty of the University of Texas Medical School.

Dr. Orzeck earned his MD from the University of Virginia Medical Centerand completed his post-graduate training at the University of Iowa Hospitals. He completed his first endocrine fellowship at the University of Virginia Medical Center. He completed his second fellowship at the University of Texas MD Anderson Hopsital and Tumor Institute, now the MD Anderson Cancer Center.

Dr. Orzeck is a certified diabetes educator, and he has been elected to the National Certification Board for Diabetes Educators. He has been published over 100 times on the subject of diabetes and currently serves on the editorial boards of Practical Diabetology and Diabetes Self-Management.
The professional societies and associations that Dr. Orzeck is a member of include the Houston Society of Clinical Endocrinology, where he served as president and the American Association of Clinical Endocrinologists, where he has been appointed to the coding committee, socioeconomic committee and nuclear medicine certifications board committee. Dr. Orzeck has also served as president of the Southeast Texas Chapter of the American Association of Diabetes Educators and the Houston Chapter of the American Diabetes Association.