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 (1) Galaxy Formation & Evolu (1) Heliophy (1) Interstellar Me (1) Star Formation & Evolu (1) (-) Solar System/Planetary Sci (1) State AL (1) CA (5) GA (1) IA (1) MA (4) MD (4) MI (1) NC (1) NM (3) PA (3) TN (1) TX (3) WI (2) (-) NY (1) Facet State City Facet City Membership Class Alumni Affiliate (1) Undergrad Student (1) (-) Full Member (1) Facet Membership Class Division DPS (6) HEAD (6) DDA (3) HAD (2) SPD (2) (-) LAD (1) Facet Division Showing 1-1 of 1 results Dmitry Ivanov Full Member Affiliation Columbia University State/Province NY Country United States