Incumbent:
- Specially-appointed professor at the Graduate School of Humanities and Social Science, Jonan International University
- Visiting professor at Otemae University, Dalian Jiaotong University, Zhejiang Yuexiu University of Foreign Languages and Shenyang University
- The Head manager at NPO International Education Development Association
- The Chairman at Applied Japanese Language Education Association
Work History:
- Chief instructor at Japanese Training Institute of United States Department of State
- Specially-appointed professor at the Graduate School of Showa Women's University (Retired in 2007)