Deputy Director-General, Action Team Leader, United Nations Sec Council Resolution 687, International Atomic Energy Agency. Deputy Director-General/Head, Department of Research and Isotopes, International Atomic Energy Agency, Vienna, 1980-1991. Advisor to the President, Energia Nucleare Energie Alternative, Italy, 1976-1980.
Fuel Cycle Sector Head, Comitato Nazionale Energia Nucleare, Italy, 1960-1976. Senior Scientist, Chem Process Division, Eurochemic, Belgium, 1957-1958.