Advisor in Environmental Health, Ministry of Health, Indonesia, World Health Organization since 1990. Program Coord, Bilateral Water Supply Program, First Secretary, Netherlands Embassy, India, 1984-1990. Project(s) Manager, Water Supply Project(s), DHV Consulting Engineer(s), East Africa, 1980-1984.
Sanitary/ Hydraulic Engineer(s), Structural Division, DHV Consulting Engineer(s), Netherlands, 1979-1980. Assistant Lecturer, Structural Department, University of Technology, Delft, Netherlands, 1971-1979. Design & Construction Engineer(s), Design & Implementation Department, Ministry of Public Works, Suriname, 1967-1971.
First Lieutenant, Corps of Engineer(s), Netherlands, 1965-1967. Design Engineer(s), Engineering Bureau, Switzerland, 1964-1965.