- 2022/04 - 現在 Meiji University School of Law
- 2016/04 - 現在 International Christian University Peace Research Institute Director in General
- 2016/04 - 現在 Hosei University Global and International Studies Professor
- 2016/04 - 現在 Hosei University Global and International Studies Adjunct Professor
- 2016/04 - 現在 International Christian University Peace Research Institute Director
- 2016/04 - 現在 Professor
- 2015/04 - 現在 University of Tsukuba Chief Researcher
- 2015/04 - 現在 University of Tsukuba Senior Fellow
- 2004/04 - 現在 International Christian University Graduate School 教授
- 2004/04 - 現在 Professor
- 2000/04 - 現在 Chuo University Graduate School Department of Psychology Professor
- 2000/04 - 現在 Chuo University Graduate School Department of Psychology Adjunct Graduate Professor
- 2000/04 - 現在 Chuo University Graduate School Department of Psychology Adjunct Graduate Professor
- 2023/01 - 2023/12 Universitas Indonesia Faculty of Psychology Professor
- 2010/10 - 2016/09 University of Opole, Poland Institute of Psychology 教授
- 2010/10 - 2016/09 University of Opole, Poland Institute of Psychology Adjunct Foreign Professor
- 2010/10 - 2016/09 Professor
- 2012/04 - 2016/03 International Christian University Peace Studies 教授
- 2012/04 - 2016/03 Professor
- 2007/08 - 2012/08 Yonsei University Summer School Dept of Psychology and Underwood College 教授
- 2007/08 - 2012/08 Yonsei University Summer School Dept of Psychology and Underwood College Visiting Professor
- 2007/08 - 2012/08 Professor
- 2009/01 - 2009/03 University of South Carolina Department of Psychology Professor
- 2009/01 - 2009/03 University of South Carolina Department of Psychology Visiting Professor
- 2009/01 - 2009/03 University of South Carolina Department of Psychology Visiting Professor
- 1999/04 - 2008/03 University of Tokyo Department of Social Psychology Professor
- 1999/04 - 2008/03 University of Tokyo Department of Social Psychology Adjunct Graduate Professor
- 1999/04 - 2008/03 University of Tokyo Department of Social Psychology Adjunct Graduate Professor
- 2001/04 - 2006/03 International Christian University American Studies Program 助教授・准教授
- 2001/04 - 2006/03 International Christian University American Studies Program Program Coordinator
- 2001/04 - 2006/03 Associate Professor
- 2003/08 - 2004/08 University of Illinois at Chicago Department of Psychology Professor
- 2003/08 - 2004/08 University of Illinois at Chicago Department of Psychology Visiting Professor
- 2003/08 - 2004/08 University of Illinois at Chicago Department of Psychology Visiting Professor
- 1999/04 - 2004/03 International Christian University Division of Education 助教授・准教授
- 1999/04 - 2004/03 International Christian University Division of Education Associate Professor
- 1999/04 - 2001/03 International Christian University College of Liberal Arts - Faculty Development Head
- 1999/04 - 2001/03 International Christian University College of Liberal Arts - Faculty Development Faculty Development Director
- 1999/04 - 2001/03 International Christian University College of Liberal Arts - Faculty Development Faculty Development Director
- 1997/04 - 1999/03 International Christian University Division of Education Associate Professor
- 1997/04 - 1999/03 International Christian University Division of Education Assistant Professor
- 1996/09 - 1997/03 University of Califonia, Irvine, College of Medicine Associate Professor
- 1996/09 - 1997/03 University of Califonia, Irvine, College of Medicine Associate Professor
- 1994/09 - 1997/03 WestEd (Educational Research Think Tank) Human Development Division Chief Researcher
- 1994/09 - 1997/03 WestEd (Educational Research Think Tank) Human Development Division Projet Manager
- 1994/09 - 1997/03 WestEd (Educational Research Think Tank) Human Development Division Projet Manager
- 1988/05 - 1996/08 University of California, Loa Angeles Department of Psychology & Asian American Studies Center Associate Professor
- 1995/09 - 1996/06 California State University - Domingez Hills Graduate Program in Applied Behavior Analysis Associate Professor
- 1995/09 - 1996/06 California State University - Domingez Hills Graduate Program in Applied Behavior Analysis Associate Professor
- 1988/09 - 1989/05 Biola University - Rosemead Graduate School of Psychology Department of Psychology Lecturer
- 1988/09 - 1989/05 Biola University - Rosemead Graduate School of Psychology Department of Psychology Adjunct Instructor
- 1988/09 - 1989/05 Biola University - Rosemead Graduate School of Psychology Department of Psychology Adjunct Instructor
- 1987/09 - 1988/06 Mary Mount College - Palos Verdes Department of Psychology Associate Professor
- 1987/09 - 1988/06 Mary Mount College - Palos Verdes Department of Psychology Visiting Assistant Professor
- 1985/09 - 1987/06 University of Southern California School of Medicine Institute for Prevention Rsearch Assistant Professor
- 1985/09 - 1987/06 University of Southern California School of Medicine Institute for Prevention Rsearch Staff Research Psychologist
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日本健康心理学会
, 日本教育心理学会
, 日本コミュニティ心理学会
, 日本グループダイナミックス学会
, Association for Psychological Sciences
, The Society for Community Research and Action
, 日本心理学会
, American Psychological Association
, International Academy of Intercultural Research
, American Psychological Association
, The Society for Community Research and Action
, Association for Psychological Sciences
, International Academy of Intercultural Research