Fellow American Institute of Aeronautics and Astronautics (distinguished lecturer 1983-1988, international activities committee, council national capital section 1994-1996, honors and awards committee), British Interplanetary Society, American Astronomical Society (co-chair fellows committee). Member Women in Aerospace (emeritus, founder, board directors 1984-1990, president 1987, Lifetime Achievement award 2003), International Academy Astronautics (trustee 1995-2002, co-chair space activities and society committee 1991-1996), International Institute Space Law (board directors, vice president 2003-2006), New York Academy of Sciences (life), Washington Academy of Sciences (life), Sigma Xi.
Administrative assistant, correspondent American Institute of Aeronautics and Astronautics, Washington, 1973—1975. Analyst aerospace and energy technical Science Policy Research division Congressional Research Service, Library. Congress, 1975—1980, specialist aerospace & telecommunications system, 1980—1985, specialist aerospace policy, 1986—1991, section head space and defense technologies, 1988—1991, specialist science and technical policy, 1991—1995, acting assistant chief, 1993, specialist aerospace and telecommunications policy, 1995—2006.
Executive director National Commission Space, 1985—1986. Director Space Studies Board National Academy of Sciences, since 2006. Member committee human exploration, space studies board United States National Academy of Sciences, 1992-1993, 96-97.