Simeon Margolis, M.D., Ph.D.,

Simeon Margolis, M.D., Ph.D., is professor emeritus of medicine and biological chemistry at the Johns Hopkins University School of Medicine in Baltimore. His research has centered in the laboratory on the control of cholesterol metabolism as well as in clinical studies in regulation of blood glucose levels. He formerly served as the director of the division of endocrinology and metabolism in the department of medicine and was the associate dean for academic affairs at Johns Hopkins. He received his medical degree and doctorate from the Johns Hopkins University School of Medicine.

Margolis has been a member of various committees for the Department of Health, Education, and Welfare, including the metabolism study section, general clinical research centers, national diabetes advisory board, and the arteriosclerosis specialized centers of research review committees. In addition, he has acted as a member of the endocrinology and metabolism panel of the U.S. Food and Drug Administration.

A former weekly columnist for The Baltimore Sun, Margolis served for more than 20 years as medical editor of HealthAfter 50. He has lectured to medical students, physicians, and the general public on a wide variety of topics, such as the prevention of coronary heart disease, the control of cholesterol levels, the treatment of diabetes, and alternative medicine.