At the United Nations Secretariat, he served as Under-Secretary-General for Public Information (1992-1993) and Under-Secretary-General for Conference Services and Special Assignments (1982-1992).
他曾在联合国秘书处担任主管新闻部副秘书长(1992-1993年),主管会议事务和特别任务副秘书长(1982-1992年)。