Ministry of the Environment / State Permanent Secretary Parliamentary Secretary General Administration / World Health Organization / civil society / World Bank / United Nations / US Federal Reserve / Ministry of Environment / Singapore’s Ministry of Environment / United Nations International Children's Emergency Fund / Political Centre / Environmental Public Health Division / Environmental Engineering Division / New Village Movement / /
Person
Henry Northover / Shin Kue Ryu / Park Cheung Hee / Ryu WaterAid / Lee Kuan Yew / /
Position
Principal Researcher / PAP leader and later Prime Minister / Prime Minister / Minister Minister / President / head of government / Official Development Assistance / Research Branch Hawkers Branch Food Branch General Services / Deputy Secretary / /