Past affiliation(s) within the IAU

• Past Organizing Committee Member of Commission 38 Exchange of Astronomers (1979-1982)
• Past Organizing Committee Member of Commission 34 Interstellar Matter (1976-1979)
• Past Organizing Committee Member of Commission 38 Exchange of Astronomers (1976-1979)
• Past Organizing Committee Member of Commission 34 Interstellar Matter (1973-1976)
• Past Organizing Committee Member of Commission 38 Exchange of Astronomers (1973-1976)
• Past Organizing Committee Member of Commission 34 Interstellar Matter (1970-1973)
• Past Member of Commission 38 Exchange of Astronomers
• Past Member of Commission 34 Interstellar Matter (until 2014)
• Past Member of Commission 41 History of Astronomy (until 2014)
• Past Member of Division VI Interstellar Matter (until 2012)
• Past Member of Division XII Union-Wide Activities (until 2012)
• Past Member of Finance Committee (1976-1979)