Dr. Marcus has been specializing in the care of people with diabetes and endocrine disorders since 1985. In addition to his interests in clinical care; he also continues to pursue teaching students throughout the world in academic settings. Dr. Marcus also dedicates his time to spearhead global research into discovering improved tools and methods for treating and diagnosing heart, kidney, and diabetes associated diseases. In his role as Vice President and Global Director of Medical Affairs and Chief Medical Officer of Medtronic Diabetes, Dr. Marcus traveled the world campaigning for, designed products and studies for regulatory approval for innovative tools that will give patients with chronic diseases a radically improved quality of life.
Dr. Marcus’ educational background includes an appointment as an Associate Clinical Professor in the Division of Endocrinology and Diabetes, Department of the Medicine, at the University Of Southern California Keck School Of Medicine in Los Angeles, and the Faculty Associate in the Division of Biomedical Engineering in the School of Continuing Medicine at Johns Hopkins University in Baltimore Maryland. He was also Director of the Diabetes Unit at Saddleback Memorial Medical Center and Director of Endocrinology, Diabetes and Hypertension at Southern California Research, both in Laguna Hills, California.
Dr. Marcus attended the Bronx High School of Science and then the City College of New York in New York City. Dr. Marcus completed his medical training at Rutgers’s Medical College, Piscataway, New Jersey. He completed his internship and residency in Internal Medicine a St Joseph’s Hospital and Medical Center in Phoenix Arizona, and an NIH Research Fellowship in Endocrinology and Metabolism/Diabetes at the University Of Southern California Keck School Of Medicine, Los Angeles County Medical Center. He is board certified by both the American Board of Internal Medicine and the American Board of Endocrinology and Metabolism.
His research interests include the effacy and tolerability of medications in the treatment of primary hypercholesterolemia, the evaluation of the Glucose Measurement Data Quality Control System, the treatment of migraines, wound healing, the prevention of type 1 diabetes and pharmaceutical agents for blood pressure control, glycemic control, islet cell transplant, stem cell therapy, and artificial pancreatic development. His research and publications involve the reduction of complications in patients undergoing CABG surgery. He is a member of several professional organizations, including: the American Federation for Clinical Research, the American Diabetes Association, the Juvenile Diabetes Foundation, The Endocrine Society and the International Society for the Pediatric and Adolescent Diabetes, The International Federation for Diabetes, The European Association for the Study of Diabetes, and the American Association of Diabetes Educators. Dr. Marcus is also a fellow of the American College of Physicians, and is a founding member of the National Endocrine and Diabetes Association.
Additionally, Dr. Marcus is an advisor on the editorial board of Diabetes Interview and is a reviewer for Endocrine Practice, Southern Medical Journal, the Female Patient, Journal of the American Medical Association, Journal of the American Diabetes Association and the American Journal of Managed Care . He has authored chapters in textbooks which deal with diabetes and outpatient and hospital management and has published articles in professional journals, including the New England Journal of Medicine, Journal of Clinical Endocrinology and Metabolism, Diabetes Post Graduate Medicine, Practical Diabetology, Clinical Therapeutics, and Transplantation Proceedings.