Dr. Eric Liou is an associate professor and the immediate past chairman of the Faculty of Dentistry, Chang Gung Memorial Hospital & Chang Gung University, Taipei, Taiwan. He is also a visiting professor in the Department of Orthodontics, Showa University, Tokyo, Japan. For the profession affiliations, Dr. Liou was the president of the Taiwan association of Orthodontists 2015-2016 and is the immediate past president of the World Implant Orthodontic Association (WIOA). Currently, he is the Vice President of the Asian Pacific Orthodontic Society (APOS) and an editor of the APOS Trends in Orthodontics, and Secretary General of the WIOA. His main research interests are distraction osteogenesis, TADs, orthodontic tooth movement, platelet rich plasma (PRP) and bone physiology, and surgical and non-surgical innovative approaches. Dr. Liou has numerous presentations especially on the topics of Class III orthognathic camouflage treatment, treatment of occlusal cant and facial asymmetry with yin-yang arch wires, accelerated orthodontic tooth movement with PRP, maxillary orthopedic protraction, surgery first orthognathic approach, and TADs.