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 Active Galactic Nu (1) Clusters of Galaxies/Large-scale Struc (1) Cosmo (1) Galactic Structure & Stellar Populat (1) GRBs (1) High-Energy Pheno (1) Interstellar Me (1) Supernovae (1) (-) Heliophy (2) State (-) CA (2) Facet State City Atlanta (1) Berkeley (3) Big Bear City (1) Campbell (1) Los Angeles (1) Palo Alto (1) Pasadena (2) Rohnert Park (1) San Diego (5) San Francisco (1) (-) Stanford (2) Facet City Membership Class Full Member (2) Facet Membership Class Division HEAD (1) (-) SPD (2) 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