Dr. Sandra Khong Tai has been an Invisalign certified orthodontist since 2000 and is currently an Invisalign Diamond Plus Provider who has treated over 3,000 cases with Invisalign. She is Clinical Assistant Professor in Orthodontics at the University of British Columbia, and Adjunct Assistant Professor in Orthodontics at the University of the Pacific, San Francisco. Dr. Tai is the author of the best selling text “Clear Aligner Technique” Quintessence Publishing 2018 which is now available in 11 languages – English, French, Spanish, Portuguese, German, Italian, Russian, Korean, Japanese, Chinese and Turkish. She is also on the Editorial Board of the Journal of Aligner Orthodontics, a research journal focusing on the field of clear aligners that is published quarterly. She is a reviewer for the American Journal of Orthodontics and Dentofacial Orthopedics.