Academic conference
1.
1999
~
American Literature Society of Japan
2.
2012/04
~
2014/03
∟ Coordinator of the 19th-century literature division of the Tokyo Branch
3.
1999
~
Nathaniel Hawthorne Society of Japan
4.
2013/06
~
2019/05
∟ Member of the Office of International Relations
5.
2016/06
~
2018/06
∟ International Poe and Hawthorne Conference Liaison
6.
2019/06
~
∟ Member of the Executive Board
7.
1999
~
English Literary Society of Japan
8.
2019/04
~
2020/03
∟ Member of the Editorial Board of the Kanto Branch
9.
2003
~
Modern Language Association
10.
2003
~
Nathaniel Hawthorne Society
11.
2022/01
~
∟ Member of the Advisory Board (President's Honorary Appointment)
12.
2010
~
William Faulkner Society of Japan
13.
2012
~
Melville Society of Japan
14.
2014
~
Japanese Association for American Studies
15.
2019
~
Poe Society of Japan