Past affiliation(s) within the IAU

• Past President of Executive Committee (2012-2015)
• Past President Elect of Executive Committee (2009-2012)
• Past Vice-President of Executive Committee (2000-2003)
• Past Vice-President of Executive Committee (1997-2000)
• Past Advisor of Executive Committee (2015-2018)
• Past Chair of Special Nominating Committee (2012-2015)
• Past Organizing Committee Member of Inter-Division IX-X-XI WG Astronomy from the Moon
• Past Organizing Committee Member of Commission 34 Interstellar Matter (1994-1997)
• Past Organizing Committee Member of Commission 34 Interstellar Matter (1991-1994)
• Past Organizing Committee Member of Commission 34 Interstellar Matter (1988-1991)
• Past Organizing Committee Member of Commission 40 Radio Astronomy (1988-1991)
• Past Organizing Committee Member of Commission 40 Radio Astronomy (1985-1988)
• Past Member of Inter-Division IX-X-XI WG Astronomy from the Moon
• Past Member of Inter-Division X-XII WG Historic Radio Astronomy
• Past Member of Division B Facilities, Technologies and Data Science (until 2019)
• Past Member of Division F Planetary Systems and Astrobiology (until 2019)
• Past Member of Division H Interstellar Matter and Local Universe (until 2019)
• Past Member of Commission B4 Radio Astronomy (2015-2019)
• Past Member of Commission F2 Exoplanets and the Solar system (2015-2019)
• Past Member of Commission F3 Astrobiology (2015-2019)
• Past Member of Special Nominating Committee (2015-2018)
• Past Member of Commission 34 Interstellar Matter (until 2015)
• Past Member of Commission 40 Radio Astronomy (until 2015)
• Past Member of Commission 51 Bio-Astronomy (2009-2015)
• Past Member of Division VI Interstellar Matter (until 2012)
• Past Member of Division X Radio Astronomy (until 2012)
• Past Member of Commission 40 WG Historic Radio Astronomy (until 2012)
• Past Member of Special Nominating Committee (2000-2003)