Dr. Cohen is Professor and Chief of Dermatology at the Albert Einstein School of Medicine. His career has included bench research, acute disease epidemiology and clinical medicine. He joined the Yale Medical School faculty in 1977 with joint appointments in Dermatology, and Public Health (Assistant Professor). In 1984, Dr. Cohen moved to the Cornell University School of Medicine (Associate Professor), as well as to the Rockefeller University (Visiting Physician). In 1988, he was recruited to the Mount Sinai School of Medicine as Professor of Dermatology and Chair of the Department of Dermatology at the Beth Israel Medical Center. After realignment in 1994, Beth Israel became University Hospital and Manhattan Campus of the Albert Einstein College of Medicine where Dr. Cohen was appointed Professor of Medicine (Dermatology). In 2001, Dr. Cohen assumed the position of Professor and Deputy Chair of the Department of Dermatology at the Mount Sinai School of Medicine. He served as Resident Program Director and Co-Chief of the Section of Dermatopharmacology. Dr. Cohen has served in his current role as Professor and Chief of Dermatology at the Albert Einstein School of Medicine since January, 2006.