Jon Mendelsohn, MD, is the coauthor of The Non-Surgical Facelift Book. He is the medical director of the Advanced Cosmetic Surgery & Laser Center and a facial plastic surgeon in private practice. He lives in Cincinnati, Ohio. William Truswell, MD, is the coauthor of The Non-Surgical Facelift Book. He is the medical director of the Aesthetic Laser and Cosmetic Surgery Center and a facial surgeon in private practice. He lives in Northampton, Massachusetts. Kriston Kent, MD, is a plastic surgeon. He lives in Naples, Florida.