Dr. Ngoun Sethykun is a Cambodian scholar and tax policy professional with extensive experience in public finance and economic development. He holds a Ph.D. in International Development and an M.A. in Economic Development from Nagoya University, Japan, and has served in both academic and government roles over the past decade.

Currently working at the General Department of Taxation, Dr. Sethykun focuses on tax arrear management, contributing to improved revenue collection and fiscal governance in Cambodia. His research explores the intersection of taxation, small and medium enterprise financing, and formal–informal financial sector linkages—critical issues for developing economies.

Previously, Dr. Sethykun coordinated capacity-building programs for senior Cambodian officials through the ADB’s Public Policy Training Program, and he continues to support evidence-based tax reforms and institutional development. His work combines rigorous analysis with practical insight, making him a valuable contributor to Cambodia’s evolving tax landscape.