Past affiliation(s) within the IAU

• Past Organizing Committee Member of Commission 28 Galaxies (1985-1988)
• Past Organizing Committee Member of Commission 28 Galaxies (1982-1985)
• Past Organizing Committee Member of Commission 33 Structure & Dynamics of the Galactic System (1982-1985)
• Past Organizing Committee Member of Commission 33 Structure & Dynamics of the Galactic System (1979-1982)
• Past Member of Commission 33 Structure & Dynamics of the Galactic System
• Past Member of Division D High Energy Phenomena and Fundamental Physics (until 2018)
• Past Member of Division H Interstellar Matter and Local Universe (until 2018)
• Past Member of Division J Galaxies and Cosmology (until 2018)
• Past Member of Commission 28 Galaxies (until 2015)
• Past Member of Commission 37 Star Clusters & Associations (until 2015)
• Past Member of Commission 44 Space & High Energy Astrophysics (until 2015)
• Past Member of Commission 47 Cosmology (until 2015)
• Past Member of Division VII Galactic System (until 2012)
• Past Member of Division VIII Galaxies & the Universe (until 2012)
• Past Member of Division XI Space & High Energy Astrophysics (until 2012)