Keiya Ozawa received his M.D. from University of Tokyo in 1977 and his Ph.D. from University of Tokyo in 1984. He studied at the Clinical Hematology Branch, NHLBI, NIH, USA as a Fogarty Fellow (1985-87). He became Assistant Professor (1987~) and then Associate Professor (1990~) of The Institute of Medical Science, The University of Tokyo (IMSUT). In 1994 he became Professor of the Institute of Hematology, Jichi Medical School. He was Professor and Chairman of the Division of Hematology, Department of Medicine (1998-2014) and Professor of the Division of Genetic Therapeutics, Center for Molecular Medicine (1998-2014). He was Director of Center for Molecular Medicine, Jichi Medical University (2008-14). He was also Professor of the Division of Immuno-Gene & Cell Therapy (Takara Bio), Jichi Medical University (2011-14). In 2014 he became Director of IMSUT Hospital and Professor of the Division of Genetic Therapeutics, The Advanced Clinical Research Center, IMSUT. He is also Director of Center for Gene & Cell Therapy (CGCT) at the IMSUT. He continues to work at Jichi Medical University as Visiting Professor. His major research fields are hematology and gene & cell therapy.