John N. Loeb, MD

Dr. Loeb graduated from Harvard College and from Harvard Medical School and after a year of internship at the Massachusetts General Hospital moved to New York City for a year as an assistant resident on the Medical Service of the Presbyterian Hospital. After two years as a Research Associate with Gordon M. Tomkins in the Laboratory of Molecular Biology at the Institute of Arthritis and Metabolic Diseases at the National Institutes of Health, he returned to New York as Chief Resident in Medicine at the Presbyterian Hospital and Instructor in Medicine at the College of Physicians and Surgeons of Columbia University. He has remained affiliated with both institutions, where since 2005 he has been Professor Emeritus of Medicine and Special Lecturer in Medicine at Columbia University and continues as an Attending Physician at NewYork-Presbyterian Hospital.

Dr. Loeb's research was continuously funded by the National Institutes of Health from 1967 to 1999 and was principally focused on mechanisms of hormone action, the physical chemistry of receptor-ligand interactions and their quantitative relationship to biological response, and the regulation of glucose and monovalent cation transport.

From 1997 until 2003 he served as Associate Chairman for Research in the Department of Medicine and, from 2003 until his retirement, as Vice Chairman for Academic Affairs. Throughout his career Dr. Loeb has had an abiding interest in teaching both medical students and house staff. He has received numerous awards as a teacher at Columbia and additionally has devoted substantial time to teaching abroad.