- 2016 - 現在 Fukuoka Institute of Technology
- 2007 - 2015 Fukuoka Institute of Technology
- 2011 - 2012 the Ontario Institute for Studies in Education, the University of Toronto Visiting Scholar
- 2007 - - Fukuoka Institute of Technology, Associate Professor
- 2006 - 2006 Kyushu University
- 2004 - 2006 Fukuoka Institute of Technology
- 2004 - 2006 Fukuoka Institute of Technology, Lecturer
- 2003 - 2004 Toyo Eiwa University
- 2003 - 2004 Toyo Eiwa University, Part-time Lecturer
- 2000 - 2004 Toyo University
- 2000 - 2004 Aoyama Gakuin University
- 2000 - 2004 Toyo University, Part-time Lecturer
- 2000 - 2004 Aoyama Gakuin University, Part-time Lecturer
- 1999 - 2003 Tamagawa University
- 1999 - 2003 Tamagawa University Continuous Learning Center,
- 2001 - 2002 Daito Bunka University
- 2001 - 2002 Tokyo University of Pharmacy and Life Sciences
- 2001 - 2002 Kogakuin University
- part-time lecturer
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THE SOCIETY OF ENGLISH GRAMMAR AND USAGE
, THE JAPAN ASSOCIATION FOR LANGUAGE TEACHING
, TESOL International Association
, American Association for Applied Linguistics
, Canadian Association of Second Langauge Teachers
, The Japan Association of College English Teachers
, International Association for Intercultural Communication Studies