Professor. MOM Sovannrithy is a Senior lecturer and the Chairman of Orthodontics at the Faculty of Odonto-Stomatology in the University of Health Sciences, Phnom Penh, Cambodia. He was graduated as Doctor of Dental Surgeon in 1994, Post Graduated diploma for Orthodontics in 2007. He also got a Master Degree in Orthodontics at the Faculty of Odonto-Stomatology in the University of Health Sciences, Phnom Penh, Cambodia in 2013. He got a Diploma of Health Personnel Education (HPE) in 2001 running by Save Children Organization from Australia. He has also been training in Thailand in 1997 and Singapore in 2003. Professor. MOM Sovannrithy got a lot of experience of teaching and clinical instructor in the faculty of dentistry over 20 years for Dental Terms and Orthodontics. He joined many Dental seminars, workshops, Conferences, Dental Congress national and inter nationally as a Presenter or participant. He got a lot of certificate of Presenter in Orthodontics at the conferences in many countries such as Singapore, Vietnam, China, Cambodia. He also got many Certificate of attendance in many Dental Congress, National and International conferences. At the present Professor MOM Sovannrithy works at the Faculty of Odonto-Stomatology in the University of Health Sciences as a lecturer and official of technical office in teaching and reviewing curriculum for Under-graduated course and Master Orthodontics course. He also a member of the Board Jerry of Thesis for students of Doctor of Dental Surgeon (D.D.S) and Master of Orthodontics dissertation.