Hessam Nowzari, DDS, PhD, is chairman of the University of Southern California’s Advanced Periodontics Department and a Diplomate of the American Board of Periodontology. He expertise is in implantology, periodontal therapy, and full-mouth reconstruction. He is the founder of the Taipei Academy of Reconstructive Dentistry in Taiwan and one of only two American members of the Dniepropetrovsk State Academy of Medical Sciences in Ukraine.