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 Galactic Structure & Stellar Populat (5) Star Formation & Evolu (5) Clusters of Galaxies/Large-scale Struc (4) Exopla (4) GRBs (4) High-Energy Pheno (4) Interstellar Me (4) Supernovae (4) Active Galactic Nu (3) Astrobio (3) Astronomy Educa (3) Galaxy Formation & Evolu (2) Solar System/Planetary Sci (2) Cosmo (1) (-) Heliophy (2) State (-) CA (2) Facet State City Berkeley (3) Big Bear City (2) Fresno (1) Los Angeles (1) Oakland (1) Palo Alto (1) Pasadena (4) Rohnert Park (1) San Diego (3) San Jose (1) Santa Cruz (1) South Pasadena (1) (-) Stanford (2) Facet City Membership Class (-) Full Member (2) Facet Membership Class Division SPD (2) HEAD (1) Facet Division Showing 1-2 of 2 results Jon Hoeksema Full Member Affiliation Stanford University State/Province CA Country United States Vahe Petrosian Full Member Affiliation Stanford University State/Province CA Country United States