1996-1999: Research Assistant at the Department of Chemistry, Kyoto University Graduate School of Science
1999-2000 JST Research Fellow at Osaka University
2000-2001 GSC research associate at Osaka University, Laboratory of Protein Informatics.
2002-2003 Assistant Professor at Yokohama City University, Laboratory of Structural Bioinformatics
2004 Jan-Sep Visiting Associate Professor at Institute for protein research, Osaka University
2002-2005 PRESTO, JST
2005-2010 SORST, JST
2004 Oct-2009 Associate Professor, Institute of Medical Science, University of Tokyo
2009.Oct-present Professor, Graduate School of Information Science, Tohoku University

Biophysical society of Japan, Protein Society of Japan, Japanese Society of Bioinformatics