Mark G. Lebwohl, M.D., is an American dermatologist and author and the Waldman Professor and Chairman of the Kimberly and Eric J. Waldman Department of and Chairman of the Department of Dermatology at the Mount Sinai Hospital in New York City. Lebwohl's books include the book on dermatologic therapy, Treatment of Skin Disease (ISBN 0323036031), as well as Atlas of the Skin and Systemic Disease (ISBN 044306539X). He has authored more than 500 publications, multiple book chapters and has been named as one of New York Magazine’s “Best Doctors” every year since the inception of the annual list.