Distinguished Professor, Sophia University & Director, Sophia University Center for Language Education and Research, former Dean, Sophia University Faculty of Foreign Studies, former Director, Sophia Linguistics Institute for International Communication, etc.

Chair, Planning Committee to Implement 4 Skills Tests (National Center for University Entrance Examinations), member, Steering Committee of Trustees (National Center for University Entrance Examinations), member, Liaison Committee to Promote 4 Skills Tests and Credentials for Admission and Selection Purposes (Ministry of Education, Sports, Culture, Science and and Technology—MEXT)), former Chair, Committee of Specialists on Revision of English Education (MEXT), former Chair, Committee to Discuss Ways to Improve the Foreign Language Ability of the Japanese (MEXT), member of the Foreign Language Sub-committee of the Central Education Council (MEXT), former Chair, Strategic Committee to Discuss English Language Education (Tokyo Metropolitan Board of Education), President of the Airline Pilots’ English Proficiency Assessment Committee (Ministry of Land and Transportation)

Former Trustee of The International Research Foundation for English Language Education (TIRF), former member, Asia TEFL Executive Committee, President of J-Shine, etc.

Recipient of the Transportation Culture Award (Ministry of Land and Transportation), Recipient of the Best of JALT Award, etc.