2007 - International Society for the Comparative Study of Korean and Japanese Director, Secretary General
2003 - 2005 Chikushi Jogakuen University, Chairman, International Affairs Committee
1999 - 2003 Chikushi Jogakuen University, Dept. Head, English Dept.
1999 - English Phonetic Soceity of Japan Director
1996 - 日本英語音声学会(九州・沖縄・四国支部) 常任理事・副支部長
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Association Membership(s) (7):
国際日韓比較言語学会
, 近代英語協会
, International Society of Historical Linguistics
, 日本英語音声学会(九州・沖縄・四国支部)
, International Society for the Comparative Study of Korean and Japanese
, Modern English Association
, English Phonetic Soceity of Japan