His work expands the area of health system development, health care financing, health workforce management, and health policy. He is currently a lecturer at Chulalongkorn University in Thailand and a research fellow at the International Health Policy Program of Thailand Ministry of Public Health. Piya has published widely on health systems and health financing. His previous work includes health system performance assessment at the World Health Organization in Geneva and global health workforce policy developmentat the Global Equity Initiative, Harvard University. Piya received his M.D. from Mahidol University and M.Sc. from the London School of Economics. He is also a doctoral candidate at the Harvard School of Public Health.