2023-present Assistant Professor in department of Neurology, Nippon Medical School Hospital 2022-2023 Department of Neurology, UCLA (Prof. David Liebeskind) 2014-2022 Assistant Professor in department of Neurology, Nippon Medical School Hospital 2012-2013 Department of Stroke, Mihara Memorial Hospital 2011 Department of Neurology, Tokyo Metoropolitan Ebara Hospital 2010 Department of Neurology, Kita-murayama Public Hospital 2009 Senior Resident in department of Neurology, Nippon Medical School Hospital 2007-2008 Junior Resident in Nippon Medical School Hospital 2007 Passed the Examination of National Board