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 Exopla (4) Star Formation & Evolu (4) Clusters of Galaxies/Large-scale Struc (3) GRBs (3) High-Energy Pheno (3) Solar System/Planetary Sci (3) Supernovae (3) Active Galactic Nu (2) Astrobio (2) Astronomy Educa (2) Cosmo (1) Galactic Structure & Stellar Populat (1) Galaxy Formation & Evolu (1) Interstellar Me (1) (-) Heliophy (1) State DC (1) VA (6) (-) MD (1) Facet State City Baltimore (3) Bethesda (1) Boulder (1) Fairfax (1) Greenbelt (11) Laurel (4) Marriottsville (1) Potomac (1) (-) Washington (1) Facet City Membership Class (-) Full Member (1) Facet Membership Class Division Facet Division Showing 1-1 of 1 results Jeffrey Hayes Full Member Affiliation NASA HQ State/Province MD Country United States