Dr. Koichi Matsuo is Professor of Medicine at Keio University School of Medicine, and leads Laboratory of Cell and Tissue Biology. He is a bone biologist who has focused on osteoclast-osteoblast interaction for more than 20 years. His recent main interest is to elucidate bilaterally-symmetric morphogenesis of the musculoskeletal system.

Dr. Matsuo earned his MD (1986) and PhD (1992) from Keio University School of Medicine in Tokyo, Japan. After postdoctoral training with Professor Walter Schaffner at the Institute of Molecular Biology, University of Zurich, Switzerland (September 1992 -March 1995), he moved to the Research Institute of Molecular Pathology (IMP) in Vienna, Austria, to begin additional postdoctoral studies (April 1995-October 1998) with Professor Erwin F Wagner. In November 1998, he was appointed Staff Scientist at the IMP. In April 2001, he moved to National Institute for Longevity Sciences in Aichi, Japan. In April 2002, he was appointed Associate Professor of the Department of Microbiology and Immunology at Keio University School of Medicine. He has been appointed Professor at Keio University School of Medicine in June 2009.