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 Heliophy (2) Active Galactic Nu (1) Clusters of Galaxies/Large-scale Struc (1) Cosmo (1) GRBs (1) High-Energy Pheno (1) Interstellar Me (1) Supernovae (1) (-) Galactic Structure & Stellar Populat (1) State CA (1) Facet State City Ann Arbor (1) Atlanta (2) Baltimore (1) Berkeley (1) Boulder (4) Calgary (2) Columbus (1) Corvallis (1) Delft (1) Evansville (1) Fort Myers (1) Grafton (1) Grand Forks (1) Grand Rapids (1) Houston (1) Huntsville (1) Ioannina (1) La Jolla (1) Logan (1) Los Angeles (1) Medford (1) Merced (1) Mohegan Lake (1) Newark (1) Newville (1) Palo Alto (1) Pasadena (1) Potomac (1) Rohnert Park (1) San Francisco (1) Sparks (1) Tucson (1) Washington (1) (-) Stanford (1) Facet City Membership Class Full Member (1) Facet Membership Class Division HEAD (2) (-) SPD (1) Facet Division Showing 1-1 of 1 results Vahe Petrosian Full Member Affiliation Stanford University State/Province CA Country United States