Education:

March 1978, Graduated from University of Tokyo (Department of Chemistry, Faculty of Science)
Major subject: Inorganic chemistry
Adviser: Prof. Yukimi Sasaki

1978-1980, Master-course student at Inorganic Chemical Laboratory, Ocean Research Institute, University of Tokyo
Major subject: Diffusive transportation of the Bottom water
Adviser: Prof. Yoshio Horibe
Title of master thesis "Radioactive Rn222 in the Bottom water in the western Pacific"

1980-1984, Doctor-course student at Department of Geology and Ocean Research Institute, University of Tokyo
Major subject: Seawater-rock interaction along the mid-ocean ridges
Adviser: Prof. Toshimichi Iiyama and Prof. Noriyuki Nasu
Title of Ph.D. thesis "Subseafloor hydrothermal alteration on the Costa Rift, Galapagos Spreading Center"　　　　　　　　

EMPLOYMENT RECORD:

1984-1986, Research associate at the Marine Geology Department, Geological, Geological Survey of Japan
Major subject: Sedimentation in the coastal area of the south-east part of Japan

1986-1988, Post-doctoral research fellow at University of Toronto, Canada
Major subject: Hydrothermal alteration of the oceanic crustal rocks in DSDP/ODP Hole 504B and Troodos ophiolite.

1988-1989, Research associate at the Marine Geology Department, Geological Survey of Japan
Major subject: Hydrothermal hot spring along Izu-Bonin island arc.

1989-1990, Governmental official at Science and Technology Agency of Japan
(Central governmental office)

1990-1996, Research associate at the Marine Geology Department, Geological Survey of Japan
Major subject: Present carbon cycle and paleoceanogrpahy

1992, Visiting fellow at University of Hamburg (October and November)
Major subject: Sinking particles in the western Pacific

1993, Visiting fellow at University of Hamburg (September and October)
Major subject: Comparison on biological pump between the western Pacific and Indian Ocean.

1996-, Senior research associate at Geological Survey of Japan/Professor at the Tohoku University

2001-,
(Geological Survey of Japan is reorganized in AIST) Group leader at Geological Survey of Japan, AIST/
Professor at the Tohoku University
Chief scientist for large program of ＜GCMAPS (Global carbon cycle and the related mapping by using satellite imagery) promoted by MEXT (Ministry of Education, Culture, Sports, Science and Technology). >40 Laboratories have taken part in this program.

2005,
Professor at Ocean Research Institute, University of Tokyo
Visiting scientist at Geological Survey of Japan
Professor at the Tohoku University

AWARD:

December 2002, Award by the society of the research of geochemistry (Miyake-medal)

April 2004, Award by the Institute of Marine Chemistry (Ishibashi-medal)