Federal Emergency Management Agency (FEMA); Federal Insurance Administration; Office of Loss Reduction(Federal Emergency Management Agency (FEMA), 1989-02)
Soetardjo; Untang, M.; Arnold, E.P.; Soetadi, R.; Ismail, Sulaeman; Kertapati, Engkon(Southeast Asia Association of Seismology and Earthquake Engineering (SEASEE), 1985-06)
ESCAP/WMO Typhoon Committee; World Meteorological Organization (WMO); Economic and Social Commission for Asia and the Pacific (ESCAP)(ESCAP/WMO Typhoon Committee, 1986)