Director, United Nations University Press, United Nations University since 1991. Acting Executive Officer, Rector’s Office, United Nations University, Tokyo, 1988-1990. Chief, Academic Publications Service, Academic Programme, 1986-1990, Secretary of the Council, Rector's Office, 1985-1987, Assistant to the Secretary of the University, Rector's Office, 1983-1984, Publications Control Officer, 1978-1982, United Nations University, Tokyo.
Chief Editor, International Division, University of Tokyo Press, 1969-1977. Contributing Editor, American Heritage Dictionary, American Heritage Publishing Company, United States, 1964-1969.
Member International Association of Scholarly Publishers. Society for Scholarly Publishing. Board Member, International Federation of Scientific Editors, Pacifica Forum.
Editorial Board Member, Asian Cultural Center for United Nations Educational, Scientific and Cultural Organization. International House of Japan.