Dr. Zhou is visiting professor at University of Pennsylvania, an adjunct professor of Case Western Reserve University School of Dental Medicine, serves as the professor of the orthodontic department, Peking University School and Hospital of Stomatology, and also the Chief Consultant Orthodontist at Sunny Dental Group, China. He is the Immediate-past President of Chinese Orthodontic Society and the vice president of Dental Society in Chinese Association of Plastics and Aesthetics. He is an Executive Committee Member of World Federation of Orthodontists (WFO), vice president of Asian Pacific Orthodontic Society (APOS). His main interests are in adult orthodontics, combined surgical and orthodontic approach, orthodontic treatment in periodontic patients, microscrew anchorage and the customized lingual orthodontics, as well as invisible orthodontics. His major research areas are mechanism and immunoregulation of orthodontic tooth movement, application of stem cell and bioinspired material in oral tissue defects repair.