Member Directory The AAS maintains a membership directory to facilitate member interaction and to support the conduct of official Society business. Search directory for: Filter Results By Clear Filters Type of Science Solar System/Planetary Sci (7) Astronomy Educa (6) Astrobio (4) Cosmo (4) Exopla (4) Star Formation & Evolu (4) Galactic Structure & Stellar Populat (2) Interstellar Me (2) (-) Active Galactic Nu (2) State MD (1) (-) CA (2) Facet State City Altadena (1) Arcadia (1) Berkeley (4) Fresno (1) Glendale (1) Goleta (1) Irvine (1) La Jolla (1) Lexington (1) Los Angeles (3) Menlo Park (1) Moffett Field (1) Northridge (1) Oakland (1) Orange (1) Pasadena (8) Rohnert Park (1) San Bernardino (1) San Jose (2) Santa Barbara (1) Santa Cruz (1) Seattle (1) South Pasadena (1) Stanford (2) Toronto (1) Waimea (1) (-) Mountain View (2) Facet City Membership Class (-) Full Member (2) Facet Membership Class Division Facet Division Showing 1-2 of 2 results Simon Steel Full Member Affiliation SETI Institute State/Province CA Country United States William Vacca Full Member Affiliation NOIRLab/Gemini State/Province CA Country United States