- 2021/06 - 現在 Maple Transactions Associate Editor
- 2016/08 - 現在 ACM Communications in Computer Algebra Associate Editor
- 2024/06 - 2026/06 日本数式処理学会 分科会連絡委員会 委員長
- 2008/04 - 2026/03 日本数式処理学会 代表会員
- 2018/04 - 2024/03 日本数式処理学会 教育分科会運営委員会 委員長
- 2021/07 - 2022/07 ISSAC 2022 (International Symposium on Symbolic and Algebraic Computation, 2022) Program Committee
- 2016/04 - 2018/03 日本数式処理学会 大会プログラム委員会 委員長
- 2014/04 - 2016/03 日本数式処理学会 システム分科会運営委員会 副委員長
- 2014 - 2014 SNC 2014 (Symobolic-Numeric Computation, 2014) Program Committee
- 2014 - 2014 ISSAC 2014 (International Symposium on Symbolic and Algebraic Computation, 2014) General Co-Chair and Local Chair
- 2012 - 2012 ASCM 2012 (Asian Symposium on Computer Mathematics, 2012) Program Committee
- 2011 - 2011 SNC 2011 (Symobolic-Numeric Computation, 2011) Program Committee
- 2009 - 2009 ISSAC 2009 (International Symposium on Symbolic and Algebraic Computation, 2009) Program Committee
- 2009 - 2009 CASC 2009 (Computer Algebra in Scientific Computing, 2009) Local Organizing Committee Chair
- 2006 - 2006 ISSAC 2006 (International Symposium on Symbolic and Algebraic Computation, 2006) Poster and Software Demos Co-Chair
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Mathematics Education Society of Japan
, ACM
, ACM SIGSAM
, Japan Society for Symbolic and Algebraic Computation
, Information Processing Society of Japan
, Japan Society for Industrial and Applied Mathematics