BSc, Radcliffe College; PhD, California Institute of Technology. 1977-79, Director, Office of Global Issues of the National Security Council; 1980-82, Member of the Editorial Board, Washington Post; weekly columnist for Washington Post, which appeared nationally and in International Herald Tribune; 1982-93, Founding Vice-President and Director of Research, World Resources Institute; 1993, Deputy to Undersecretary of State for Global Affairs; 1993-97, Senior Fellow and Director, Washington programme, Council on Foreign Relations; 1997. published Power Shift, a Foreign Affairs magazine article. Since 1997, current position. Director, Somalogic and HanesBrands. Trustee, Century Foundation, Nuclear Threat Initiative and International Crisis Group. Member, Council on Foreign Relations and American Philosophical Society.