Dr. Phalthy has become the Director of the Graduate Program of the Royal University of Law and Economics (RULE), Phnom Penh since late May 2017. He obtained the Master of Laws and Doctor of Laws from Nagoya University, Japan. His specialized area is Land Law. He worked as a group leader collaborating with JICA on Japanese Technical Cooperation for the Legal and Judicial Development Project (phase 4) from August 2012 to March 2017 and he has been a member of the working group for Sample Form for Phase 5 which started from 2017 to 2022. He also plays a crucial role in the Internal Quality Assurance Committee for RULE in writing the self-assessment report for a pilot assessment conducted by the Accreditation Committee of Cambodia (ACC) in late 2015. He has also served as an assessor for ACC since 2016. More remarkably, he has been involved with many international institutions for research and quality assurance, such as the Korea Legislation Research Institute (KLRI) and ASEAN University Network (AUN). He has been a Steering Committee member of AUN-University Social Responsibility and Sustainability (AUN-USR&S) which is based at the National University of Malaysia since 2012. He has been teaching Civil Law, Property Law, Land Law, Business Law, and Research Methodology. His main ambition is to see high-quality education for all students.