Dr. Sandra Khong Tai received her graduate training in Orthodontics at the University of Minnesota, USA. She is a practicing Specialist in Orthodontics in Vancouver, Canada and Clinical Assistant Professor in Orthodontics at the University of British Columbia. She is also Adjunct Clinical Assistant Professor at the University of the Pacific in San Francisco. 

Dr. Sandra Tai has been an Invisalign certified orthodontist since 2000 and has treated over 3000 cases with Invisalign aligners. She is a member of the Editorial Board of the Journal of Aligner Orthodontics and the author of the textbook “Clear Aligner Technique”, which has been translated into 11 languages. She is also a reviewer for the American Journal of Orthodontics and Dentofacial Orthopedics. Dr. Sandra Tai is one of the pioneer testing doctors on Invisalign with Mandibular Advancement and Invisalign First appliance and is involved in several research projects, and is involved in several research projects on clear aligners.