Doris Day MD is a board certified dermatologist who specializes in cosmetic dermatology in New York City, and a clinical associate professor of dermatology at NYU Langone. She has won awards for her work in laser research and excellence in teaching. Dr. Day is also a medical journalist and host for her award-winning dermatology show on Doctor Radio,SiriusXM110. She is author of several best selling books, her most recent book, Rebooting the Biome, was published February 2023.