Marcus A. Horwitz is Distinguished Professor of Medicine and Microbiology, Immunology, & Molecular Genetics at UCLA. He received his A.B. degree (Physics) from Cornell University College of Arts & Sciences (1968) and his M.D. degree from Columbia University College of Physicians & Surgeons (1972). He then trained in Internal Medicine (1972-74) and Infectious Diseases (1976-77) at Albert Einstein College of Medicine, served as an Epidemic Intelligence Service Officer at the CDC (1974-76), and trained in cellular physiology and immunology at The Rockefeller University (1977-80), where he subsequently served on the faculty from 1980 to 1985. In 1985, he joined the faculty of UCLA as Professor and Chief of the Division of Infectious Diseases, a position he held until 1992. Dr. Horwitz is a fellow in the Infectious Diseases Society of America and a member of the American Society for Clinical Investigation. His awards include the Oswald Avery (formerly Squibb) Award from the Infectious Diseases Society of America and election to Fellowship in the American Association for the Advancement of Science. His research has focused on intracellular parasitism, especially the immunobiology of the etiologic agents of Legionnaires' disease, leprosy, tuberculosis, and tularemia; the development of vaccines against tuberculosis, Select Agent diseases (tularemia, anthrax, plague, melioidosis, glanders), and COVID-19; and development of new drugs and ultra-short course drug regimens to treat TB.
