- Chief, Dental Department & Division of Oral Maxillofacial Surgery, China Medical University Hospital, Taiwan.
- Executive Councilor, Asian Association of Oral & Maxillofacial Surgeons(AAOMS).
- International Committee Chairman, Taiwanese Association of Oral & Maxillofacial Surgeons(TAOMS).
- Assistant Professor, Dental School of China Medical University, Taiwan.
- Congress Chairman, 2017 ACE Forum on Orthognathic Surgery; 2008 & 2016 Annual Conference of TAOMS.
- Residency in Prosthodontics, Baylor College of Dentistry, Dallas, Texas, USA
- Professor & Chairman, School of Dentistry, China Medical University
- Director, Section of Prosthodontics, China Medical University Hospital
- President, Academy of Prosthetic Dentistry, ROC, Taiwan
- Vice President, Asian Academy of Prosthodontics
- D.D.S., China Medical University (1996)
- Ph.D., Tokyo Medical and Dental University (Japan) (2002)
- Visiting: Harvard University(2008)
- Advanced Study: Tufts University(2009) & UCSF university(2015)
- Associate professor & Dean of orthodontics, China Medical University (Taiwan)