1995-2010 Professor, Tsukuba University Medical School
1998-2013 Professor, Graduate school of Integrated Science, Yokohama City University, Japan
2003-2009 Guest Professor, University of Queendland, Australia
2003-2011 Guest Professor, Karolinska Institute, Sweden
2011-present Scientific Advisory Board Member, Science for Life Laboratory (SciLifeLab), Sweden
2012-2013 Visiting Scholar, Beijing Genomics Institute (BGI), China
2012-2015 Board of Trustees, BioBank Qatar, Qatar
2015-present International Scientific Advisory Committee, (ISAC),Qatar
2015-present Visiting Professor, Juntendo University, Japan
2015-present Executive Director, The Japan China Medical Association, Japan
2015-present Distinguished visiting professor, University at Buffalo, the State University of New York, USA
2016-2018 Senior Researcher, Research Institute at SFC, Keio University, Japan
2017-present Committee member, The Japan China Medical Association, Japan, Cooperation Committee
2018-present Auditor-secretary, Association for Rare Variant Surveillance(RVS)
2019-2019 Part-time professor, Kyoto University, Japan