Dr. Cohen is The Charles C. and Dorothea E. Harris Professor and Vice Chairman for Clinical Affairs for the Ronald O Perelman Department of Dermatology of New York University School of Medicine and leads the Section on Occupational and Environmental Dermatology. He joined the NYU faculty in 1994 and his work has concentrated on cutaneous allergic reactions to exogenous and photo-reactive chemicals and the interaction of environmental stressors on the skin. He was empaneled by the Institute of Medicine to study the Federal Response to the Health Effects Associated with the Gulf of Mexico Oil Spill. He received CDC funding to develop a bioterrorism preparedness plan for skin infections caused by Anthax for the federally mandated “Healthy People 2010 Goals for People Prepared for Emerging Threats.” The New York City Department of Health has consulted with Dr. Cohen to evaluate the cutaneous effects of the World Trade Center attack; and he has worked with the National Institutes of Occupational Safety and Health to discover new allergens in the workplace. Dr. Cohen is President of the American Dermatological Association, and served as President of the American Contact Dermatitis Society, the Dermatology Section of the New York Academy of Medicine, and the New York Dermatological Association. He also served as a founding board member and actively participated in the formation of the American Acne and Rosacea society and led the national guidelines of care for individuals with Latex allergy for the American Academy of Dermatology. In 2016, Dr Cohen was awarded the title of Master Clinician, New York University’s highest honor for a clinician which is bestowed to a single physician per year.  He has authored 95 articles and 18 book chapters, and has lectured nationally and internationally on a variety of Dermatologic disorders. He served on his community’s Board or Education for 9 years and as President for 2 years. He received his MD from the State University of New York at Stony Brook School of Medicine, his Masters of Public Health at Columbia University, and was a Dermatology resident at NYU.