Dennis Gross, M.D., is a practicing New York City dermatologist, dermatological surgeon, and skin-care expert with an extensive background in skin research at Memorial Sloan Kettering and Rockefeller University. He is a clinician at New York University Medical Center, where he received his medical degree and dermatological training, and he is the founder of M.D. Skincare, a comprehensive line of skin-care products. Dr. Gross has many high-profile clients, and he has been featured in publications such as Elle, Glamour, Cosmopolitan, and Vogue.