Assistant professor Tokyo U. Literature and Science, 1950-1953. Visiting research fellow Sloan-Kettering Institute, New York City, 1954-1956. Research chemist Monsanto Chemical Company, 1957-1960.
Research scientist New York University, 1960-1969, project director, 1962-1965, lecturer chemistry, 1964-1965, associate professor department chemistry, 1965-1969. Professor Texas A. and M. U., College Station, from 1969. United States-Union of the Soviet Socialist Republics exchange scholar, 1967.
Ford Foundation consultant U. Delhi, India, 1977. Invited scholar Japan Society Promotion of Science, 1978. Consultant to industry, from 1963.
Honorary research professor of Institute of Chemistry Chinese Academy Science, 1980.
Editor: (with E.I. Becker) Organometallic Reactions, 1965-1976, Organometallic Syntheses and Reactions, from 1976, Characterization of Organometallic Compounds, from 1969. Associate editor: (with E.I. Becker) Journal Coordination Chemistry, from 1970. American Chemical Society Monographs, from 1970.
Contributor (with E.I. Becker) articles to professional jours.
Member American Chemical Society (ad hoc commission on public relations 1972), New York Academy Sciences (vice president 1965, chairman chemical science section 1963, div. organometallic chemistry 1964, A. Cressy Morrison award 1960, president 1968), Japan-United States Chemists Association New York (president 1967), chemical societies Japan, London, West Germany, American Institute Chemists, S.W. Catalysis Society (director 1972-1974), S.W. Science Forum (Executive officer, director from 1976), Japan Society, Texas Academy Sciences, American Association for the Advancement of Science, Sigma Xi. Patentee in field.