He was appointed as Senoior Assistant Professor in Department of Clinical Oncology, Tohoku University Hospital in year 2009-2014. He worked as an Assistant Professor in Department of Clinical Oncology, Institute of Development, Aging and Cancer (IDAC), Tohoku University. He recieved his Postdoctoral Fellowship at Ludwig Institute for Cancer Research, University of California San Diego, School of Medicine. He was awarded to be a Board certified member of the Japanese Board of Cancer Therapy and Japanese Society of Human Genetics in year 2009 and 2012.