Education: B.A., Hokkaido University, Hakodate, Japan, 1972 B.Sc., University of Washington, Seattle, WA, 1975 M.Sc., University of Washington, Seattle, WA, 1977 Ph.D., Massachusetts Institute of Technology/Woods Hole Oceanographic Institution, 1981
Research Interests: Climate change and material cycle involving the present and past oceans. Biogeochemical cycle of silica and carbon.
Memberships/Distinctions: American Geophysical Union; International Association for Radiolarian Researchers (InterRad) Oceanographical Society of Japan Geological Society of Japan; and Plankton Society of Japan Postdoctoral Scholar 1981-1982, Woods Hole Oceanographic Institution Independent Study Award, 1987, Woods Hole Oceanographic Institution