Past affiliation(s) within the IAU

• Past Organizing Committee Member of Commission 45 Stellar Classification (1976-1979)
• Past Organizing Committee Member of Commission 45 Stellar Classification (1973-1976)
• 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 G Stars and Stellar Physics (until 2019)
• Past Member of Commission 25 Astronomical Photometry and Polarimetry (until 2015)
• Past Member of Commission 45 Stellar Classification (until 2015)
• Past Member of Commission 51 Bio-Astronomy (until 2015)
• Past Member of Division III Planetary Systems Sciences (until 2012)
• Past Member of Division IV Stars (until 2012)
• Past Member of Division IX Optical & Infrared Techniques (until 2012)