Mr. Prum joined the humanitarian mine action sector in 2002 working for Cambodian Mine Action Center (CMAC, the national and largest demining operator in Cambodia. He was in charge of department of international cooperation and project management as a senior director, a position held until October 2020. (CMAC),
On 15 October 2020, Mr. Prum was selected and appointed as a new Executive Director of ASEAN Regional Mine Action Center for the term 2021-2023. ARMAC is a regional mine action center established by leaders of ASEAN and became operational in 2018, whose mandate and function are:
- Enhance awareness programs on the dangers of ERW among affected communities;
- Facilitate appropriate medical and rehabilitation assistance for victims of ERW, upon request from the affected ASEAN Member States; and
- Assist interested ASEAN Member States (AMS) in research and knowledge sharing on the effects of ERW and efforts to address them, including through writing proposals for technical assistance projects and funding, at their specific and individual request.
Mr. Prum holds a Bachelor Degree in English and Law. He was a recipient of Freemen Foundation Scholarship Award and earned his Master Degree of Law from William Richardson School of Law at the University of Hawaii at Manoa, USA.