Dr. Por Ir is an associate professor, head of Technical Bureau, at the National Institute of Public Health in Cambodia. He is a medical doctor holding a master degree in public health from the Institute of Tropical Medicine in Antwerp, and a PhD from the Free University of Brussels, Belgium. He has worked for more than 20 years in various MOH and donor-supported disease control and health system strengthening projects. Throughout his carrier, he has also participated in many academic and research activities, nationally and internationally and has published several articles, book chapters and working papers on health systems and health financing, in particular results-based financing, access to health care for the poor and vulnerable, and reproductive, maternal, neonatal and child health. He has been an active member of several national technical working groups for strategy and policy development and program evaluations.