1983 - 1991 Graduate from Tokai University School of Medicine 1991 - 1993 Surgical Resident of National Center for Global Health and Medicine 1993 - 1997 Graduate from Postgraduate School of Tokai University Cardiovascular surgery and Transplantation 1997 - 1999 Hospital Angelina Caron Cardiac Surgery (Prof. Randas JV Batista, Prana Brazil) 2000 - 2001 Niigata City General Hospital Cardiovascular Surgery 2001 - 2003 National Medical Center Ljubljana Slovenia Cardiovascular Surgery (Prof. Borut Gersak) 2003 - 2004 Hospital Henri Mondor (Paris 12th University) Cardiac surgery 2005- 2006 Kanazawa University Cardiovascular Surgery 2006 - 2008 Chief Cardiac surgeon Ishikawa Prefectural Hospital Cardiovascular surgery 2008 - 2010 Chief Cardiac Surgeon of Osaka Sai Seikai Noe Hospital Cardiovascular Surgery 2011 - 2012 Visiting Professor of National Medical Center of Ljubljana Slovenia Cardiovascular Surgery 2013 - 2015 General Manager of Cardiovascular Surgery Shin-Yurigaoka General Hospital 2015 - Visiting professor and Industrial Adviser for Japan Advanced Institute of Science and Technology (JAIST) 2018 - Director of Cardiovascular Surgery Utsunomiya Memorial Hospital