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 Star Formation & Evolu (5) Exopla (4) Astrobio (3) Clusters of Galaxies/Large-scale Struc (3) GRBs (3) High-Energy Pheno (3) Solar System/Planetary Sci (3) Supernovae (3) Active Galactic Nu (2) Astronomy Educa (2) Interstellar Me (2) Cosmo (1) Galactic Structure & Stellar Populat (1) Galaxy Formation & Evolu (1) (-) Heliophy (1) State DC (1) VA (6) (-) MD (1) Facet State City Baltimore (3) Bethesda (2) Boulder (1) Chevy Chase (1) College Park (1) Ellicott City (1) Fairfax (1) Greenbelt (13) Laurel (4) Marriottsville (1) Potomac (1) Silver Spring (2) (-) 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