Chang Kelvin WC
- Editor-in-chief of APOS website, 2022~
- Associate editor, APOS Trends in Orthodontics, 2020~
- Chairman of Education Committee, Taiwan Association of Orthodontists, 2021-2024
- Chairman of Academic Committee, Taiwan Association of Orthodontists, 2016-2020
- Advisor, World Implant Orthodontic Association, 2016~
- Secretary General, World Implant Orthodontic Association, 2014-2016
- Private practice, Hsinchu, Taiwan, 2007~
- Adjunct clinical instructor, Orthodontic Department, National Taiwan University Hospital, 2004~
- MS degree, Graduate Institute of Clinical Dentistry, National Taiwan University, Taipei, Taiwan, 2005
- Certificate of Orthodontics, National Taiwan University Hospital, 2003
- DDS degree, School of Dentistry, National Taiwan University, Taipei, Taiwan, 1996