Editorial Activities:

• Econometrics and Statistics Associate editor 2015/12- present
• Statistics and Probability Letters : Associate editor 2003/9 - present
• Computational Statistics & Data Analysis Associate editor 2011/10- 2016/2
• Journal of the Japan Statistical Society (Japanese journal)　Associate Editor 2010/10 – 2015/9
• Guest associate editor for CSDA Annals of Computational and Financial Econometrics (2011), Computational Statistics & Data Analysis
• Journal of the Japan Statistical Society (Japanese journal)　Editor 2006/10 - 2008/9
• Guest editor for Special issue on statistical and computational methods in finance (2008), Computational Statistics & Data Analysis
• Journal of the Japan statistical Society (English journal) Associate Editor 2002/10-2004/9

Conference Activities:

• Session Organizer for 13th International Conference on Computational and Financial Econometrics (CFE2019), 14-16 December 2019, Senate House, University of London & LSE, UK
• Local Organizing Committee for the 4th Eastern Asia Meeting on Bayesian Statistics, 13-14 July 2019, Kobe University, Japan
• Scientific Program Committee for 12th International Conference on Computational and Financial Econometrics (CFE2018), 14-16 December 2018, University of Pisa, Italy
• Co-organizer for Bayesian workshop, November 23, 2018, Umeda campus, Kwansei Gakuin University, Japan.
• Session Organizer for CSA-KSS-JSS international session, Japanese Joint Statistical Meeting, 9-13 September 2018, Chuo University, Tokyo, Japan.
• Session Organizer for Wakimoto session (CIPS-KSS-JSS session for young scholars), Japanese Joint Statistical Meeting, 9-13 September 2018, Chuo University, Tokyo, Japan.
• Session Organizer for the 3rd Eastern Asia Meeting on Bayesian Statistics, 12-13 July 2018, Seoul National University, Korea
• Session Organizer for 11th International Conference on Computational and Financial Econometrics (CFE2017), 16-18 December 2017, Senate House, University of London & LSE, UK
• Scientific Program Committee for the 2nd Eastern Asia Meeting on Bayesian Statistics, 6-7 July 2017, Northeast Normal University, Changchun, Jilin, China
• Co-chair for The 1st International Conference on Econometrics and Statistics (EcoSta 2017), 15-17 June 2017, Hong Kong University of Science and Technology, Hong Kong
• Scientific Program Committee for the First Eastern Asia Meeting on Bayesian Statistics, December 18, 2016, Shanghai Jiao Tong University, Shanghai, China.
• Scientific Program Committee for 10th International Conference on Computational and Financial Econometrics (CFE2016), 9-11 December 2016, the Higher Technical School of Engineering, University of Seville, Spain
• Scientific Program Committee for 9th International Conference on Computational and Financial Econometrics (CFE2015), 12-14 December 2015, Senate House, University of London, UK
• Advisory Board for 9th Conference of the Asian Regional Section of the IASC (IASC-ARS 2015), 17-19 December 2015, National University of Singapore, Singapore.
• Scientific Program Committee for 8th International Conference on Computational and Financial Econometrics (CFE2014), 6-8 December 2014, University of Pisa, Italy
• Chair of Executive Committee for 2014 Japanese Joint Statistical Meeting, 13-16 September 2014, University of Tokyo, Japan.
• Scientific Program Committee for 7th International Conference on Computational and Financial Econometrics (CFE2013), 13-16 December 2013, Senate House, University of London & LSE, UK
• Co-chair for 6th International Conference on Computational and Financial Econometrics (CFE2012), 1-3 December 2012, Ovideo, Spain
• Organizing Committee for 2012 ISBA (International Society for Bayesian Analysis) World Meeting, 25-29 June 2012, Kyoto Terrsa, Kyoto, Japan.
• Co-chair for International Workshop on Statistical Computing in Quantitative Finance and Biostatistics: A Satellite Meeting for the 7th the Asia Regional Section of the International Association for Statistical Computing Conference, 20-21 December 2011, Feng Chia University Taichung, Taiwan.
• Scientific Program Committee for 5th International Conference on Computational and Financial Econometrics (CFE'11), 17-19 December 2011, Senate House, University of London & LSE, UK
• Co-organizer for Computational methods for Bayesian analysis with applications to finance and economics, November 19-20, 2011, Karato Satellite campus, Shimonoseki City University, Japan.
• Program Committee for Annual Meetings of Japanese Economics Association 2011
• Scientific Program Committee for 4th International Conference on Computational and Financial Econometrics (CFE'10), 10-12 December 2010, Senate House, University of London & LSE, UK.
• Organizer for International Workshop on Bayesian Econometrics and Statistics, 4-5 February 2010, University of Tokyo, Japan.
• Co-chair for 3rd International Conference on Computational and Financial Econometrics (CFE'09), 29-31 October 2009, Grand Resort Hotel, Limassol, Cyprus.
• Scientific Program Committee for 4th World Conference of the IASC and 6th Conference of the Asian Regional Section of the IASC on Computational Statistics & Data Analysis, 5-8 December 2008, Yokohama, Japan.
• Scientific Program Committee for 2nd International Workshop on Computational and Financial Econometrics (CFE'08) Computer Science Department of the University of Neuchatel, 19-21 June 2008, Neuchatel, Switzerland
• Scientific Program Committee for 1st International Workshop on Computational and Financial Econometrics (CFE'07), Department of Econometrics, University of Geneva, Switzerland, 20-22 April, 2007
• Program Committee for Japan Statistical Society 1999/10-2001/9

Other Activities：

• Chair of The Eastern Asia Chapter of ISBA 2019
• Japan Statistical Society Special Committee for Society Activities 2015-2019 (Chair:2015-2016)
• Japan Statistical Society International Relations Committee 2017-2019 (Chair:2018-2019)
• Chair of EFab Nominating Committee, International Society for Bayesian Analysis 2013
• Member of Science Council of Japan 2011-
• Board of Trustees, Japan Statistical Society 2011-2016
• Nominating Committee, International Society for Bayesian Analysis 2010
• Board of Directors, Japan Statistical Society 2006-2007

Awards:

• Japan Statistical Society Award 2018
• Japan Statistical Society Research Achievement Award (with Toshiaki Watanabe) 2012

Memberships：

• Japan Statistical Society, Japanese Economic Association，Japanese Association of Risk, Insurance and Pensions, Nippon Finance Association
• The Institute of Mathematical Statistics, American Statistical Association, International Society of Bayesian Analysis, Econometric Society
• Elected member of the International Statistical Institute (ISI)