Dr. Cohn is a Clinical Professor of Medicine and former Chief of the Division of General Internal Medicine at the State University of New York - Downstate Medical Center in Brooklyn. He is also the Director of the Preoperative Medical Consultation Clinic and Medical Consultation Service at Kings County Hospital Center, responsible for education and supervision of senior medical residents in both in-patient and ambulatory care settings, and chairman of the Medicine Performance Improvement Committee at University Hospital of Brooklyn. After receiving his medical degree from the University of Monterrey, Dr. Cohn completed his residency in internal medicine at SUNY - Downstate Medical Center. He is a fellow of the American College of Physicians and is a member of the Society of General Internal Medicine and the Society for Hospital Medicine. His clinical and research interests include perioperative medicine, particularly cardiac risk evaluation and management, venous thromboembolic disease, and the teaching of medical consultation. Dr. Cohn is a frequently requested grand rounds speaker and has presented research findings and coordinated educational workshops at numerous national professional meetings (ACP, SGIM, SHM) and seminars, served as the Guest Editor for the Medical Clinics of North America, and written book chapters and articles that have appeared in peer-reviewed journals including the Annals of Internal Medicine and Journal of Hospital Medicine. He wrote the chapter on Preoperative Evaluation for Cecil's Textbook of Medicine and the section on Perioperative Medicine in MKSAP XV. He is also the editor of a book entitled Perioperative Medicine - Just the Facts (McGraw Hill, 2006), the section editor for medical consultation in Comprehensive Hospital Medicine (Elsevier, 2007), and is currently writing and editing a new book, Perioperative Medicine in Clinical Practice (Springer), to be published next year. Dr. Cohn has been named in Castle Connolly's Top Doctors in the New York Metro area annually since 1997.