Dr Sandra Khong Tai is Clinical Assistant Professor in Orthodontics at the University of British Columbia, and Adjunct Clinical Assistant Professor at the University of the Pacific. Dr Tai is a Diplomate of the American Board of Orthodontics. She has been an Invisalign certified orthodontist since 2000 who has treated 5,000+ cases. Dr Tai is the author of the textbook Clear Aligner Technique which has been translated into 13 languages around the world. She has authored a chapter on Clear Aligner Treatment in the 7th edition of Graber’s Orthodontics (Elsevier 2023). She has also written a chapter for the Moyer’s 58th Craniofacial Growth Series (2022) on Deep Bite Treatment with Clear Aligners. She is a member of the Editorial Board of Seminars in Orthodontics and the Journal of Aligner Orthodontics, as well as the Clinical Advisory Council for the Journal of Clinical Orthodontics. She is a reviewer for several orthodontic journals and has published research papers on clear aligners. Dr Tai is a much sought after international speaker and lectures globally on clear aligner technique.