Dr. Viccellio is the Vice Chairman of the Department of Emergency Medicine at the State University of New York at Stony Brook and a past president of the New York Chapter of the American College of Emergency Physicians. He has published, lectured and taught extensively in the field of emergency medicine, and is a nationally recognized authority on the problem of boarding and crowding in emergency departments.  He is a graduate of Harvard Medical School and did his residency at Bellevue Hospital in New York City.