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 State (-) WA (1) Facet State City Seattle (4) Tacoma (1) (-) Valencia (1) Facet City Membership Class Full Member (1) Facet Membership Class Division DPS (1) (-) HAD (1) Facet Division Showing 1-1 of 1 results Robert Preston Full Member Affiliation State/Province WA Country United States