Principal Legal Office(s), Office(s) of the Legal Advisor, International Labor Organization/Office since 1991. Senior Legal Officer, Office(s) of the Legal Counsel, World Health Organization, Geneva, 1983-1991. Legal Officer, Office(s) of the Legal Counsel, Food and Agriculture Organization, Rome, 1977-1983.
Legal Officer, Industrial Property Division, World Intellectual Property Organization, Geneva, 1970-1977. Legal Officer, International Commission of Jurists, Switzerland, 1966-1970.