Mark S. Nestor, MD, Ph.D. is the director of the Center for Cosmetic Enhancement® and the Center for Clinical and Cosmetic Research® in Aventura, Florida, and a voluntary associate professor of the Department of Dermatology and Cutaneous Surgery at the University of Miami, Leonard Miller School of Medicine. He is a past president of the American Society for Photodynamic Therapy, the International Society for Cosmetic and Laser Surgeons, and Florida Society of Dermatology and Dermatologic Surgery. Dr. Nestor received his Ph.D. in Experimental Pathology and Immunology from UCLA and his medical degree from UCLA School of Medicine. He completed his residency in Dermatology at New York University. Dr. Nestor is recognized as a world expert in skin cancer and cutaneous oncology, superficial radiation therapy, cutaneous laser surgery, photodynamic therapy, and the use of fillers and toxins in aesthetic medicine. He conducts FDA and non-FDA clinical trials on pharmaceuticals and devices used in clinical and aesthetic dermatology. He also serves as a consultant to numerous pharmaceutical and device companies—assisting them in the development of new medications, devices and cosmeceuticals. Dr. Nestor also has authored more than 65 articles and book chapters and has delivered over 600 major presentations around the world. He has also directed over 50 meetings and symposia on relevant topics in the field of cosmetic dermatology, laser surgery and practice management. He also chairs the Annual South Beach Symposium.