HENRY W. LIM is the former Clarence S. Livingood chair and chairman of the Department of Dermatology, Henry Ford Health, Detroit, Michigan, USA. Dr. Lim has served as president of the American Academy of Dermatology (AAD), American Society for Photobiology, and International Union of Photobiology. He is the current president of the International League of Dermatological Societies. He was awarded an Honorary Membership of the AAD. Dr. Lim is honorary member of the following international dermatological societies: Austria, France, the Philippines, China, the Baltics, Spain, Taiwan, Peru and CILAD. He is an internationally recognized expert in photodermatology including photoprotection.