- 2024/04 - 現在 Ministry of Education, Culture, Sports, Science and Technology (MEXT) National University Corporation Evaluation Committee Temporary Member
- 2024/02 - 現在 Japan Science and Technology Agency Chair, Committee for Doctoral Students Support
- 2023/06 - 現在 ACM / IEEE ACM/IEEE Co-General Chair, ISCA2025 (International Symposium on Computer Architecture)
- 2023/04 - 現在 Japan Science and Technology Agency External Committee Member, Japan Science and Technology Agency (JST) Self-Assessment Committee Subcommittee
- 2023/03 - 現在 Japan Science and Technology Agency Governing Board Member, Japan Science and Technology Agency (JST) Research Accomplishments Development Project University-Launched New Industry Creation Program, Governing Board
- 2023/03 - 現在 World Economic Forum Impact Circle: Innovation for the Public Sector Member
- 2023/01 - 現在 IEEE Life Fellow
- 2021/11/17 - 現在 IEEE Eta Kappa Nu (IEEE-HKN) Professional member, IEEE-Eta Kappa Nu (IEEE-HKN)
- 2021/07 - 現在 Japan Science and Technology Agency University Originated New Industry Creation Program Project Promotion Type SBIR Phase1 Support Committee Chair
- 2021/06 - 現在 IEEE Frances E. Allen Medal Committee
- 2020/06 - 現在 World Economic Forum Expert Network Member
- 2020/05 - 現在 Japan Science and Technology Agency Advisor, Moonshot Research and Development Project Division 3
- 2018/06 - 現在 The Okawa Foundation for Information and Telecommunications Committee Members, Selection Committee of the Okawa Prize
- 2017/10 - 現在 Science Council of Japan Member, Science Council of Japan (SectionIII: Physical Sciences and Engineering)
- 2017/10 - 現在 Science Council of Japan Informatics Committee, Member of the IT-generated Issue Review Committee
- 2017/06 - 現在 The Okawa Foundation for Information and Telecommunications The Okawa Foundation for Information and Telecommunications Board of Councillors
- 2017/01 - 現在 IEEE Fellow, IEEE
- 2013/11 - 現在 Oscar Technology Corporation Adviser
- 2020/06 - 2024/06 The Engineering Academy of Japan (EAJ) Director, The Engineering Academy of Japan Inc.(EAJ)
- 2023/04 - 2024/02 Japan Science and Technology Agency Chairman, Next Generation Researcher Challenging Research Program Committee
- 2019/05/22 - 2023/05/21 Council on Competitiveness-Nippon (COCN) Board member
- 2018/11 - 2023/05 Life Science Innovation Network Japan Members, Management Advisory Committee
- 2022/03 - 2023/04 The Japan Prize Foundation The 2023 Japan Prize Selection Committee Selection Subcommittee for the “Electronics, Information, and Communication” field Deputy Chairman
- 2021/10 - 2023/03 MEXT Research Infrastructure Committee Advisor
- 2021/05 - 2023/03 Ministry of Education, Culture, Sports, Science and Technology (MEXT) Member of the Expert Council on the Appropriate Management of Public Research Funds
- 2020/10 - 2023/03 Ministry of Education, Culture, Sports, Science and Technology (MEXT) Job-type Research Internship Promotion Committee
- 2019/06 - 2023/03 Circular Economy Organization (CEO) Advisory Board
- 2020/04 - 2022/09 Japan Science and Technology Agency University Originated New Industry Creation Program (W-SPRING) Integrated Leader
- 2018/11 - 2022/09 Waseda Junior and Senior High School Member of Board of Directors and Councilor
- 2018/11 - 2022/09 Waseda Shibuya Senior High School in Singapore Representative Director
- 2021/07 - 2022/03 Japan Bioindustry Association Member of Greater Tokyo Biocommunity Council
- 2021/01/19 - 2021/12/19 IEEE Computer Society Past President, IEEE Computer Society
- 2021/01/18 - 2021/12/18 IEEE Computer Society Chair of Board of Governors, IEEE Computer Society
- 2021/01/18 - 2021/12/18 IEEE Computer Society Chair of Executive Committee, IEEE Computer Society
- 2021/04/21 - 2021/11/21 ACM / IEEE ACM/IEEE Co-Chair, SC2021 Workshop on Programming Environments for Heterogeneous Computing (PEHC)
- 2021/02/21 - 2021/11/21 ACM / IEEE ACM/IEEE Committee Member, SC'21 Invited Speakers Committee
- 2021/05 - 2021/11 IEEE Computer Society Election Committee Member
- 2019/05/31 - 2021/05/30 Japan Universities Association for Computer Education Managing Director
- 2019/06/28 - 2021/02/14 Ministry of Education, Culture, Sports, Science and Technology (MEXT) Expert Member of the Science and Technology Council
- 2020/08 - 2020/12 IEEE Computer Society Steering Committee Chair, IEEE InTech Forum: A Forum on the Response and Resiliency to COVID-19
- 2012/01 - 2020/12 IEEE Computer Society Chair, IEEE Computer Society Special Technical Community on Multicore
- 2020/07/16 - Other Society Chief Digital & Learning Officer, World Economic Forum :The Reimaging Learning for Higher Education Committee
- 2019/07/01 - 2020/06/30 Inamori Foundation Chair, Inamori Foundation Kyoto Prize Selection Committee Advanced Technology Department
- 2017/01 - 2019/12 IEEE Computer Society Chair of Strategic Planning (SP9) Committee
- 2019/01 - 2019/08 IEEE Computer Society Chair of Nomination Committee
- 2018/08/01 - 2019/06/30 IEEE Co-Chair of Future of Conputing, IEEE International Conference on Cloud Engineering (IC2E 2019)
- 2018/01 - 2018/12 IEEE Technical Activity Board (TAB)
- 2018/01 - 2018/12 IEEE Computer Society President, IEEE Computer Society
- 2017/08/24 - 2018/03/31 The Engineering Academy of Japan (EAJ) Member, The Engineering Academy of Japan Inc.(EAJ)
- 2016/04/01 - 2018/03/31 New Energy and Industrial Technology Development Organization (NEDO) Peer Reviewer for Prior Evaluation
- 2010/04 - 2018/03 Japan Science and Technology Agency JST CREST "Creation of System Software Technology to Support Post-Peta Scale High Performance Computation" Evaluation Committee Member
- 2017/11/30 - 2017/12/01 Other Society Steering Committee, The Ivannikov ISPRAS Open Conference, Institute for System Programming of the Russian Academy of Sciences
- 2017/01 - 2017/12 IEEE Computer Society Chair of Planning Committee
- 2017/01 - 2017/12 IEEE Computer Society Chair of Constitution & Bylaws Committee
- 2017/01 - 2017/12 IEEE Computer Society President Elect
- 2016/04/01 - 2017/03/31 Information Processing Society of Japan Representative Member
- 2016/03/22 - 2017/03/01 The Japan Prize Foundation Members, Fields Selection Committee for the 2017 Japan Prize
- 2007/03/01 - 2017/02/14 Ministry of Education, Culture, Sports, Science and Technology (MEXT) Sub Committee, Evaluation WG on Concept Design of Next Generation Supercomputer
- 2016/04 - 2017/02 ACM Program Committee, PPOPP 2017, the 22nd ACM SIGPLAN Symposium on Principles and Practice of Parallel Programming, Austin, Texas, USA
- 2011/02 - 2017/01 Ministry of Education, Culture, Sports, Science and Technology (MEXT) Information Science and Technology Committee
- 2015/12 - 2016/11 ACM / IEEE Program Committee, SC16, IEEE ACM International Conference for High Performance Computing, Networking, Storage and Analysis, Salt Palace Convention Center, Salt Lake City, Utah, USA
- 2016/04/01 - 2016/09/01 Other Society Program Committee, The 29th International Workshop on Languages and Compilers for Parallel Computing (LCPC 2016), Rochester NY, USA
- 2016/02/01 - 2016/03/31 RIKEN Project Leader Research Accomplishment Evaluation Committee
- 2015/04/01 - 2015/09/01 Other Society Program Committee, The 28th International Workshop on Languages and Compilers for Parallel Computing (LCPC 2015), Raleigh, NC, USA
- 2014/09 - 2015/06 Information Processing Society of Japan Senior Member
- 2015/06 - Information Processing Society of Japan Fellow
- 2010/08/16 - 2015/03/31 Ministry of Education, Culture, Sports, Science and Technology (MEXT) High Performance Computing Infrastructure Project Promotion Committee
- 2014/01 - 2014/12 IEEE Ad Hoc Committee on Serving Individuals in Industry Committee Member of IEEE Ad Hoc on Serving Individuals in Industry
- 2014/01 - 2014/12 IEEE Computer Society Member of Constitution & Bylaws Committees
- 2014/01 - 2014/12 IEEE Computer Society Member of Nomination Committees
- 2009/01 - 2014/12 IEEE Computer Society Board of Governors, Computer Society
- 2008/04/01 - 2014/09/30 Cabinet Office Expert Member, Exploratory Committee on Office for Government Procurement Challenge System
- 2014/04/01 - 2014/09/01 Other Society Program Committee, The 27th International Workshop on Languages and Compilers for Parallel Computing (LCPC 2014), Intel Corporation, Hillsboro, OR, USA
- 2013/10/01 - 2014/05/31 Japan Electronics and Information Technology Industries Association (JEITA) Chair,PC power consumption measurement method JIS Drafting Committee
- 2014/01/14 - 2014/03/31 Japan Science and Technology Agency Follow-up Evaluation Committee for JST CREST (Dependable OS for Embedded Systems)
- 2009/04/01 - 2014/03/31 New Energy and Industrial Technology Development Organization (NEDO) Technology Committee
- 2006/01 - 2014/03 Japan Science and Technology Agency JST CREST "Dependable Operating System for Embedded Systems Targeting Practicalization" Evaluation Committee Member
- 2013/01/01 - 2013/12/01 IEEE The 2013 Nominations Committee
- 2013/04/01 - 2013/09/01 Other Society Program Committee, The 26th International Workshop on Languages and Compilers for Parallel Computing (LCPC 2013), Qualcomm Research Silicon Valley, Santa Clara, CA, USA
- 2007/09/28 - 2013/05/31 Japan Electronics and Information Technology Industries Association (JEITA) Member, Evaluation Committee for IT & Electronics Human Resource Development
- 2013/01/01 - 2013/03/31 Ministry of Education, Culture, Sports, Science and Technology (MEXT) Supercomputer "K" Post Development Evaluation Committee
- 2011/12/01 - 2013/03/31 Japan Atomic Energy Agency Research Evaluation Committee for Promotion of Computational Science and Engineering on Atomic Energy fundamental engineering
- 2001/03/01 - 2013/03/31 Ministry of Education, Culture, Sports, Science and Technology (MEXT) National Institute of Science and Technology Policy Science and Technology Specialists Network Committee
- 2011/12/01 - 2012/11/30 Japan Society for the Promotion of Science Scientific Research Fund Sub Committee
- 2012/11 - 2012/11 IEEE Program Committee, LASCCDCN2012, 2012 Latin America Symposium on Cloud Computing Datacenter and Networking, Mexico City, MEXICO
- 2012/04 - 2012/09 Other Society General Chair, The 25th International Workshop on Languages and Compilers for Parallel Computing (LCPC 2012), Green Computing Systems R&D Center,Waseda University, Tokyo, Japan
- 2010/04/01 - 2012/06/30 RIKEN Next Generation Super Computer Technology Advisary Committee
- 2012/06 - 2012/06 Other Society Program Committee, 2012 First Asia-Pacific Programming Languages and Compilers Workshop (APPLC 2012), Beijing, China
- 2012/06 - 2012/06 IEEE Program Committee, 11th IEEE/ACM International Conference on Ubiquitous Computing and Communications (IUCC 2012), Liverpool, UK
- 2011/04 - 2012/02 ACM Program Committee, PPOPP 2012, The 17th ACM SIGPLAN Symposium on Principles and Practice of Parallel Programming, New Orleans, LA, USA
- 2010/12/01 - 2011/11/30 Japan Society for the Promotion of Science Scientific Research Fund Sub Committee
- 2011/10/10 - 2011/10/14 IEEE Program Committee, The Twentieth International Conference on Parallel Architectures and Compilation Techniques (PACT), Galveston Island, Texas, USA
- 2011/04/01 - 2011/09/01 Other Society Program Committee, The 24th International Workshop on Languages and Compilers for Parallel Computing (LCPC2011), Colorado State University, Fort Collins, Colorado, USA
- 2011/04 - 2011/09 The University of Tokyo Department of Computer Science Part-time Lecturer
- 2011/03/01 - 2011/09/01 Other Society Program Committee, ICPP-EMS 2011 (The 2011 International Workshop on Embedded Multicore Systems), Taipei, Taiwan
- 2010/09/01 - 2011/08/31 Egypt Japan University for Science and Technology (E-JUST) Visiting Professor
- 2011/05/25 - 2011/07/31 Japan Atomic Energy Agency Research Evaluation Committee on Atomic Energy fundamental engineering
- 2011/06/06 - 2011/06/08 IEEE Program Committee, The 10th International Symposium on Parallel and Distributed Computing (ISPDC 2011), The Technical University of Cluj-Napoca, Romania
- 2011/03/01 - 2011/05/31 Japan Science and Technology Agency Evaluation Committee for JST CREST (Dependable OS for Embedded Systems)
- 2011/05 - 2011/05 IEEE SYSTOR 2011 Program Committee
- 2011/04/07 - 2011/04/08 IEEE Program Committee, International Workshop on Innovative Architecture for Future Generation High-Performance Processors and Systems, Kohala Coast, Hawaii Hapuna Beach Prince Hotel
- 2010/12/20 - 2011/03/31 Japan Atomic Energy Agency Atomic Energy Code Research Committee
- 2009/06/25 - 2011/03/31 Japan Atomic Energy Agency Steering Committee Member, Supercomputing in Nuclear Applications SNA2010+MC2010, Tokyo, Japan
- 2011/02/01 - New Energy and Industrial Technology Development Organization (NEDO) Chair, Technical Committee of Green Network Systems Technology Research and Development Project (Green IT Project)
- 2009/02 - 2011/01 Other Society Editorial Board, The Encyclopedia of Parallel Computing (Springer)
- 2007/01 - 2010/12 IEEE Member, IEEE Japan Council Long Range Strategy Committee
- 2010/10/17 - 2010/10/21 Other Society Organizing Committee, The Joint International Conference of the 7th Supercomputing in Nuclear Application and the 3rd Monte Carlo (SNA-MC2010), Tokyo, Japan
- 2010/04/01 - 2010/10/01 Other Society Program Committee, The 23rd International Workshop on Languages and Compilers for Parallel Computing (LCPC2010), Rice University, Houston, Texas, USA
- 2009/12/01 - 2010/06/04 ACM Program Committee, ICS'10, 24th ACM International Conference on Supercomputing, Epochal Tsukuba, Tsukuba, Japan
- 2009/09/01 - 2010/03/31 RIKEN Next Generation Super Computer Technology Advisary Committee
- 2009/09/01 - 2010/03/31 New Energy and Industrial Technology Development Organization (NEDO) Evaluation Committee 2009, Energy Saving Innovative Development Project
- 2009/04/02 - 2010/03/31 Ministry of Education, Culture, Sports, Science and Technology (MEXT) Committee Member of Next Generation Supercomputer Project Intermediate Evaluation
- 2008/07/10 - 2010/03/31 New Energy and Industrial Technology Development Organization (NEDO) Application Evaluation Committee for Green Network Systems Technology Research and Development Project (Green IT Project)
- 2008/07/10 - 2010/03/31 New Energy and Industrial Technology Development Organization (NEDO) Application Evaluation Committee for 2008 Strategic Development of Efficient Energy Use Technology
- 2006/11/21 - 2010/03/31 New Energy and Industrial Technology Development Organization (NEDO) Research Committee on Electronics and Information Technological Strategy (Member of Exploratory WG on Field-crossing Technological Strategy)
- 2006/01/27 - 2010/03/31 Japan Atomic Energy Agency Atomic Energy Code Research Committee
- 2003/06/01 - 2010/03/31 New Energy and Industrial Technology Development Organization (NEDO) Exploratory WG in Deliberation Committee on Electronics and Information Technological Strategy
- 2003/04/01 - 2010/03/31 New Energy and Industrial Technology Development Organization (NEDO) Peer Reviewer for Prior Evaluation
- 2000/04/01 - 2010/03/31 Japan Atomic Energy Agency Research Evaluation Committee (Committee for for Promotion of Computational Science and Engineering)
- 1997/05/01 - 2010/03/31 Japan Atomic Energy Agency Research Evaluation Committee (Information Technology Committee)
- 2010/03/31 - Ministry of Economy, Trade and Industry (METI) Evaluation Committee IT Practical Use for Asia Intelligent Economic Evolution
- 2010/03/01 - 2010/03/19 New Energy and Industrial Technology Development Organization (NEDO) Electronics and Information Technology Roadmap (Computer Technology Strategy WG) Committee Chair
- 2009/10/01 - 2010/03/17 ACM Program Committee, 15th International Conference on Architectural Support for Programming Languages and Operating Systems (ASPLOS '10), Mar.13-17.2010, Pittsburgh, PA, USA
- 2009/07/31 - 2009/12/31 IBM Review Committee of 23rd IBM Japan Science Prize in Computer Science
- 2009/07/01 - 2009/12/31 Ministry of Economy, Trade and Industry (METI) Evaluation Committee of Technology Development and Demonstration Project for Reliable Data Center
- 2009/08 - 2009/12 IEEE Program Committee, The 7th IEEE/IFIP International Conference on Embedded and Ubiquitous Computing (EUC-09), Vancouver, Canada
- 2009/01 - 2009/12 IEEE The 2009 Nominations Committee
- 2009/12/01 - IEEE Program Committee, The Fifteenth International Conference on Parallel and Distributed Systems (ICPADS'09), Shenzhen, China
- 2009/04 - 2009/10 Other Society Program Committee, The 22nd International Workshop on Languages and Compilers for Parallel Computing (LCPC 2009), University of Delaware, Newark, Delaware, USA
- 2009/02/01 - 2009/09/27 IEEE Program Committee, The 10th IEEE International Conference on High Performance Computing and Communications (HPCC-08), DaLian, China
- 2009/08/27 - 2009/09/16 New Energy and Industrial Technology Development Organization (NEDO) 2009 Evaluation Committee of Energy Saving Innovative Development Project
- 2009/01 - 2009/06 IEEE Program Committee, The 11th IEEE International Conference on High Performance Computing and Communications (HPCC-09), Seoul, Korea
- 2009/01 - 2009/06 IEEE Program Committee, 8th International Symposium on Parallel and Distributed Computing (ISPDC'2009), Lisbon, Portugal
- 2006/11/21 - 2009/05/29 New Energy and Industrial Technology Development Organization (NEDO) Chair, Computer Strategy Investigation WG in Electronics and Information Technology Strategy Investigation Committee
- 2006/06 - 2009/05 Information Processing Society of Japan Senior Reviewer, Journal of IPSJ
- 2008/11/01 - 2009/03/31 New Energy and Industrial Technology Development Organization (NEDO) Review Committee for Low Power Consumption Architecture Considering Future Evolution
- 2008/06/16 - 2009/03/31 Japan Agency for Marine-Earth Science and Technology (JAMSTEC) Earth Simulator Advisory Committee
- 2008/01/01 - 2009/03/31 Cabinet Office Member, Security & Software Investigation Committee for Information & Communication Field Promotion Strategy, Council for Science and Technology Policy (CSTP) Expert Panel on Basic Policy
- 2008/01/01 - 2009/03/31 Cabinet Office Member, R&D Infrastructure Investigation Committee for Information & Communication Field Promotion Strategy, Council for Science and Technology Policy (CSTP) Expert Panel on Basic Policy
- 2004/07/01 - 2009/03/31 Ministry of Education, Culture, Sports, Science and Technology (MEXT) Steering Committee Member, Promotion Budget for Science and Technology 'Improvement of Basis of Distributed Research Data Sharing for Solution Research of Important Issues' Research Steering Committee
- 2009/03/01 - 2009/03/01 New Energy and Industrial Technology Development Organization (NEDO) Hearing Member for Roadmap Development of Energy Saving Technologies in IT and Electronics
- 2008/10 - 2009/02 ACM Program Committee, PPoPP2009, 14th ACM SIGPLAN Symposium on Principles and Practice of Parallel Programming, North Carolina, USA
- 2007/03/01 - 2009/01/31 Ministry of Education, Culture, Sports, Science and Technology (MEXT) Sub Committee, Evaluation WG on Concept Design of Next Generation Supercomputer
- 2008/07/11 - 2008/12/01 Asahi Shimbun Judging Committee, Asahi Shimbun JSEC2008 'Science & Technology Challenge for High School Students'
- 2008/01 - 2008/09 IEEE Program Committee, ICPP-2008, 2008 International Conference on Parallel Processing, Portland, Oregon
- 2008/09 - Cabinet Office External Hearing Committee Resource Dispatch Policy for 2009 Science and Technology Budget Requests in Information and Communication
- 2008/03/01 - 2008/06/25 IEEE Program Committee, Workshop on Parallel Execution of Sequential Programs on Multi-core Architectures (PESPMA), Co-located with ISCA 2008, Beijing, China (IEEE, ACM)
- 2008/02/01 - 2008/06/13 IEEE Program Committee, HIPS 2008, 13th International Workshop on High-Level Parallel Programming Models and Supportive Environments, Miami, Florida
- 2008/01/01 - 2008/06/12 ACM Program Committee, ICS'08, 22nd ACM International Conference on Supercomputing, Island of Kos-Aegean Sea, Greece
- 2008/02/14 - 2008/03/31 New Energy and Industrial Technology Development Organization (NEDO) Chair, Investigation Committee for Technological Strategy of Construction of Power-saving Information Space and Next-generation Power-saving Devices
- 2005/07/01 - 2008/03/31 New Energy and Industrial Technology Development Organization (NEDO) Chair of Implemented Architecture Investigation Committee, "Research and Development of Multicore Technology for Real Time Consumer Electronics Project"
- 2005/07/01 - 2008/03/31 New Energy and Industrial Technology Development Organization (NEDO) Chair of Multicore, Architecture and API Investigation Committee, "Research and Development of Multicore Technology for Real Time Consumer Electronics Project"
- 2005/07/01 - 2008/03/31 New Energy and Industrial Technology Development Organization (NEDO) Chair of R&D Steering Committee, "Research and Development of Multicore Technology for Real Time Consumer Electronics Project"
- 2005/07/01 - 2008/03/31 New Energy and Industrial Technology Development Organization (NEDO) Chair of Integrated R&D Steering Committee, "Research and Development of Multicore Technology for Real Time Consumer Electronics Project"
- 2005/07/01 - 2008/03/31 New Energy and Industrial Technology Development Organization (NEDO) Project Leader, "Research and Development of Multicore Technology for Real Time Consumer Electronics Project"
- 2004/04 - 2008/03 Information Processing Society of Japan Committee Member, Steering Committee of SIG. on Computer Architecture
- 2005/12/01 - 2007/12/31 Cabinet Office Member, Security & Software WG for Information & Communication Field Promotion Strategy, Council for Science and Technology Policy (CSTP) Expert Panel on Basic Policy
- 2005/12/01 - 2007/12/31 Cabinet Office Member, R&D Infrastructure WG for Information & Communication Field Promotion Strategy, Council for Science and Technology Policy (CSTP) Expert Panel on Basic Policy
- 2007/08/14 - 2007/12/01 Asahi Shimbun Judging Committee, Asahi Shimbun JSEC2007 'Science & Technology Challenge for High School Students'
- 2005/01/01 - 2007/12/01 IEEE Chair, IEEE Computer Society Japan Chapter
- 2005/01/01 - 2007/12/01 IEEE Board Member, IEEE Tokyo Section
- 2007/02/01 - 2007/11/16 IEEE Program Committee, SC 2007, The 2007 International Conference for High Performance Computing and Communications, Reno, Nevada (IEEE, ACM)
- 2007/01 - 2007/07 IEEE Program Committee, ISPDC 2006, 6th International Symposium on Parallel and Distributed Computing Hagenberg, Austria
- 2006/07/01 - 2007/06/15 ACM Program Committee, LCTES'07, ACM SIGPLAN/SIGBED 2007 Conference on Languages, Compilers, and Tools for Embedded Systems, San Diego, California
- 2007/01 - 2007/06 ACM Program Committee, ICS'07, 21st ACM International Conference on Supercomputing, Seattle, USA
- 2007/05/01 - New Energy and Industrial Technology Development Organization (NEDO) Supervising Committee, Road map of Next-generation Power-saving Devices
- 2006/08/01 - 2007/03/31 New Energy and Industrial Technology Development Organization (NEDO) Member, Evaluation Committee for "Semiconductor Application Chip Project" (Semiconductor Chip for High-speed, High-reliable Server)
- 2006/07/21 - 2007/03/31 Cabinet Office Strategy Committee on "Development and Utilization of cutting-edge high performance general-purpose supercomputer Project"
- 2006/06/10 - 2007/03/31 Cabinet Office Panelist on the Promotion of Collaboration among Business, Academia and Government and Human Resource Development for Creation of Innovations, 5th Conference for the Promotion of Collaboration Among Business, Academia, and Government
- 2001/06/01 - 2007/03/31 Japan Science and Technology Agency Research Area Adviser, PRESTO; Precursory Research for Embryonic Science and Technology
- 2000/07/01 - 2007/03/31 Japan Atomic Energy Agency Atomic Energy Code Research Expert Committee
- 2006/11 - 2007/03 IEEE Program Committee, IPDPS 2007, 21st IEEE International Parallel & Distributed Processing Symposium, Long Beach, California USA, March 26-30, 2007
- 2005/04 - 2007/03 Information Processing Society of Japan Committee Member, Steering Committee of EMBedded Systems
- 2006/11/27 - 2007/02/28 Ministry of Economy, Trade and Industry (METI) Member, Evaluation Committee for Business Grid Computing Project
- 2006/08/14 - 2006/12/01 Asahi Shimbun Judging Committee, Asahi Shimbun JSEC2006 'Science & Technology Challenge for High School Students'
- 2005/12/05 - 2006/10/31 New Energy and Industrial Technology Development Organization (NEDO) Research Committee on Electronics and Information Technological Strategy (Member of Exploratory WG on Field-crossing Technological Strategy)
- 2005/12/05 - 2006/10/31 New Energy and Industrial Technology Development Organization (NEDO) Chair, Computer Strategy Investigation WG in Electronics and Information Technology Strategy Investigation Committee
- 2006/09 - 2006/09 IEEE Program Committee, PARELEC2006, International Conference on Parallel Computing in Electrical Engineering
- 2006/07/01 - 2006/07/01 IEEE Publication Chair, Twelfth International Conference on Parallel and Distributed Systems (ICPADS 2006), Minneapolis, USA
- 2005/11/01 - 2006/03/31 Ministry of Internal Affairs and Communications Evaluation Committee on Promotion Systems of Strategic Information Network Research and Development
- 2004/06/02 - 2006/03/31 New Energy and Industrial Technology Development Organization (NEDO) Technology Committee
- 2004/06/01 - 2006/03/31 New Energy and Industrial Technology Development Organization (NEDO) Member, Evaluation Committee for "Development of Low Power Superconductive Network Devices"
- 2005/08/11 - 2005/11/19 Asahi Shimbun Judging Committee, Asahi Shimbun JSEC2005 'Science & Technology Challenge for High School Students'
- 2004/06/01 - 2005/06/30 New Energy and Industrial Technology Development Organization (NEDO) Research Committee on Electronics and Information Technological Strategy (Member of Exploratory WG on Field-crossing Technological Strategy)
- 2004/06/01 - 2005/06/30 New Energy and Industrial Technology Development Organization (NEDO) Chair, Computer Strategy Investigation WG in Electronics and Information Technology Strategy Investigation Committee
- 2005/01/15 - 2005/06/01 ACM Program Committee, ICS'05, 19th ACM International Conference on Supercomputing, Massachusetts, U.S.A
- 2004/12/13 - 2005/03/31 International Superconductivity Technology Center (ISTEC) Member, Supercomputing Using SFQ Device Investigation Committee
- 2004/12/01 - 2005/03/31 Ministry of Internal Affairs and Communications Evaluation Committee on Promotion Systems of Strategic Information Network Research and Development
- 2003/06/01 - 2005/03/31 Ministry of Education, Culture, Sports, Science and Technology (MEXT) Steering Committee Member, Promotion Budget for Science and Technology 'Research of Common Infrastructure for Parallelizing Compiler' Research Steering Committee
- 2004/04/01 - 2005/03/01 Information Processing Society of Japan 2004th Representative Member
- 2005/02 - 2005/02 Other Society Program Committee, PDCN2005: the IASTED International Conference on Parallel and Distributed Computing and Networks, Innsbruck, Austria
- 2004/01/01 - 2004/12/01 Information Processing Society of Japan Editorial Board, IPSJ Transactions on Advanced Computing Systems
- 2004/08/01 - 2004/08/01 Other Society Program Committee, ICPP04 (The 2004 International Conference on Parallel Processing), Montreal, Quebec, Canada
- 2004/07 - 2004/07 Other Society Program Committee, HPC Asia 2004 7th International Conference on High Performance Computing and Grid in Asia Pacific Region Omiya Sonic City, Tokyo Area, Japan
- 2003/06/01 - 2004/05/01 Information Processing Society of Japan Steering Committee, SACSIS2004
- 2003/12 - 2004/04 Other Society Program Committee, HIPS04 (9th International Workshop on High-Level Parallel Programming Models and Supportive Enviroments), Santa Fe, New Mexico, USA
- 2003/04/01 - 2004/03/01 Information Processing Society of Japan 2003th Representative Member
- 2000/04/01 - 2004/03/01 Information Processing Society of Japan Computer Science Field Committee
- 2000/04/01 - 2004/03/01 Information Processing Society of Japan Chair, Steering Committee of SIG. on Computer Architecture
- 2004/02 - 2004/02 Other Society Program Committee, PDCN2005: the IASTED International Conference on Parallel and Distributed Computing and Networks, Innsbruck, Austria
- 2002/01/01 - 2003/12/01 Information Processing Society of Japan Editorial Board, IPSJ Transactions on High Performance Computing Systems
- 2003/10 - 2003/10 Other Society Program Committee, ICPP2003, International Conference on Parallel Processing 2003
- 2003/10/01 - 2003/10/01 Other Society Program Committee, ISHPC-V, The 5th International Symposium on High Performance Computing
- 2003/01/01 - 2003/09/30 Japan Society for the Promotion of Science Scientific Research Fund Sub Committee
- 2003/01 - 2003/06 ACM Program Committee, ICS'03, 17th ACM International Conference on Supercomputing, San Francisco, U.S.A
- 2002/06/01 - 2003/05/01 Information Processing Society of Japan Steering Committee, SACSIS2003
- 2002/12 - 2003/04 Other Society Program Committee, HIPS03, 8th International Workshop on High-Level Parallel Programming Models and Supportive Environments, held in conjunction with IPDPS2003, Nice, France
- 1995/05/01 - 2003/04/01 The Institute of Electronics, Information and Communication Engineers Steering Committee, SIG. on Computer Systems
- 2003/04/01 - Ministry of Economy, Trade and Industry (METI) Invited Speaker, Minister's Secretariat Sig. on R&D Human Resource for Innovation Systems
- 2002/05/01 - 2003/03/31 Japan Atomic Energy Research Institute ITBL Infrastructure Software Evaluation Committee
- 2001/08/20 - 2003/03/31 Ministry of Economy, Trade and Industry (METI) Chair, (NEDO)Advanced Parallezing Compiler Technology International Coordination Committee
- 2001/04/01 - 2003/03/31 STARC SoC DesignText Development Committee
- 2000/10/01 - 2003/03/31 Ministry of Economy, Trade and Industry (METI) Chair, (NEDO) Advanced Parallelizing Compiler Project Steering Committee
- 2000/10/01 - 2003/03/31 Ministry of Economy, Trade and Industry (METI) Chair, (NEDO)Advanced Parallelizing Compiler Technology Research Workshop
- 2000/10/01 - 2003/03/31 Ministry of Economy, Trade and Industry (METI) Chair, (NEDO)Advanced Parallelzing Compiler Intellectual Property Committee
- 2000/10/01 - 2003/03/31 Ministry of Economy, Trade and Industry (METI) Chair, (NEDO)Advanced Parallezing Compiler Technology Committee
- 2000/06/01 - 2003/03/31 Ministry of Economy, Trade and Industry (METI) Project Leader, (NEDO) Millennium Project 'Advanced Parallelizing Compiler'
- 2002/10/01 - 2003/03/01 The Institute of Electronics, Information and Communication Engineers Editorial Board, IEICE TRANSACTIONS Special Issue on Computer System Development
- 2002/04/01 - 2003/03/01 Information Processing Society of Japan 2002th Representative Member
- 2001/10/01 - 2002/11/30 Japan Information Processing Development Center Research Institute for Advanced Information Technology(AITEC) High-end Computing Technology Research Working Group
- 2002/09/01 - 2002/09/01 IEEE Program Committee, PARELEC2002, International Conference on Parallel Computing in Electrical Engineering, Warsaw, Poland
- 2002/09/01 - Ministry of Economy, Trade and Industry (METI) Observer, Workshop for Happiness and Independence of Children
- 2002/08/01 - 2002/08/01 Other Society Program Committee on Programming Methodologies & Tools, ICPP-2002, International Conference on Parallel Processing, Vancouver, British Columbia, Canada
- 2002/08/01 - 2002/08/01 Other Society Program Committee on Compilers and Languages, ICPP-2002, International Conference on Parallel Processing, Vancouver, British Columbia, Canada
- 2002/01 - 2002/06 ACM Program Committee, ICS'02, 16th ACM International Conference on Supercomputing, N.Y., U.S.A
- 2001/06/01 - 2002/06/01 Information Processing Society of Japan Steering Committee, JSPP2002
- 2002/05 - 2002/05 Other Society Program Committee, ISHPC-IV, The 4th International Symposium on High Performance Computing
- 2002/02 - 2002/05 Other Society Program Committee, WOMPEI 2002, International Workshop on OpenMP : Experiences and Implementations
- 2002/04 - 2002/04 Other Society Program Committee, HIPS02, The 7th International Workshop on High-Level Parallel Programming Models and Supportive Environments, held in conjunction with IPDPS2002, Ft.Lauderdale, U.S.A.
- 2001/12/26 - 2002/03/31 Japan Information Processing Development Center Next Generation Electronics Infomation Instructure Human Resource Investigation Committee
- 2001/12/01 - 2002/03/31 Japan Information Processing Development Center Next Generation IT Talented Persons Investigation Committee
- 2000/04/01 - 2002/03/31 Japan Atomic Energy Research Institute Part-Time Invited Researcher(Research and Development of Parallel Processing Basic
- 2001/04/01 - 2002/03/01 Information Processing Society of Japan 2001th Representative Member
- 2002/02/01 - 2002/02/28 Japan Atomic Energy Research Institute Research accomplishment evaluation committee for research staff employment
- 2001/06 - 2001/06 Other Society Organizing Committee, PDPTA'01, International Conference on Parallel Processing and Distributed Processing Techniques and Applications, Las Vegas, Nevada, U.S.A.
- 2000/06/01 - 2001/06/01 Information Processing Society of Japan Steering Committee, JSPP2001
- 2000/04/01 - 2001/05/01 Information Processing Society of Japan Chair of Editorial Board: Guest Editor, Journal of IPSJ Special Issue on Parallel Processing
- 2000/10/01 - 2001/03/31 The University of Tokyo Doctoral Dissertation Evaluation Committee
- 2000/10/01 - 2001/03/31 Japan Information Processing Development Center Research Institute for Advanced Information Technology(AITEC) Chair, Next Generation Electronic Information Basis Technology Investigation Committee
- 1999/10/01 - 2001/03/31 Japan Information Processing Development Center Research Institute for Advanced Information Technology(AITEC) High End Computing and Communication Committee (HECC)
- 1999/06/01 - 2001/03/31 Japan Atomic Energy Research Institute Steering Committee, Supercomputing International Conference on Atomic Energy
- 1997/04/01 - 2001/03/31 Tokyo Electric Power Company Academic Evaluation Committee
- 1996/09/01 - 2001/03/31 Ministry of Economy, Trade and Industry (METI) Chair, Industry, Academia & Government Information Policy Forum Investigation WG4 (Information/System [HPC])
- 2000/06/01 - 2001/03/01 Information Processing Society of Japan Copyright Investigation Committee
- 2001/03/01 - Kyoto University Data Processing Center 66th Research Seminar Invited Speaker
- 2000/10 - 2000/10 Other Society Program Co-Chair, ISHPC'2000, International Symposium on High Performance Computing
- 2000/05 - 2000/10 Other Society Steering Committee, ISHPC2000, International Workshop on OpenMP: Experiences and Implementations
- 2000/09 - 2000/09 Other Society Steering Committee, JAERI Nuclear Supercomputing 2000
- 2000/08 - 2000/08 Other Society Program Committee, ICPP2000, International Conference on Parallel Processing 2000 The Westin Habor Castle, Toronto, Canada
- 2000/05/01 - 2000/05/01 Other Society Program Committee, HPC-Asia 2000, Beijing, China
- 1999/06/01 - 2000/05/01 Information Processing Society of Japan Program Chair, JSPP2000
- 2000/04 - Other Society Editorial advisory board, Scientific Programming John Wiley & Sons, Inc.
- 1999/12/01 - 2000/03/31 Japan Information Processing Development Center Research Institute for Advanced Information Technology(AITEC) Super Advanced Electronic Basis Technology Investigation Committee
- 1999/07/01 - 2000/03/31 Japan Information Processing Development Center Chair, Investigation Research Committee of Super Compiler Technology Parallelizing Compiler WG
- 1999/07/01 - 2000/03/31 Japan Information Processing Development Center Investigation Research Committee of Super Compiler Technology
- 1999/04/01 - 2000/03/31 Japan Atomic Energy Research Institute Research Evaluation Committee on Computer Science Technology Sub Committee
- 1997/04/01 - 2000/03/31 Japan Atomic Energy Research Institute The First Class Invited Researcher
- 1996/04/01 - 2000/03/01 Information Processing Society of Japan Steering Committee, SIG. on Computer Architecture
- 1997/11 - 1999/11 Other Society Program Committee, ISHPC'97, Institute of Systems & Information Technologies/ KYUSHU, Fukuoka
- 1999/09 - 1999/09 Other Society Program Committee, ICPP'99, Aizu Univ., Fukushima, Japan
- 1999/06 - 1999/07 Other Society Program Committee, PDPTA'99, Las Vegas, Nevada, U.S.A.
- 1999/03 - 1999/06 ACM Program Committee, 13th ACM ICS Workshop on Scheduling Algorithms for Parallel/Distributed Computing -From Theory to Practice-, Rhodes, Greece
- 1999/01 - 1999/06 ACM Program Committee, ICS'99, 13th ACM International Conference on Supercomputing, Rhodes, Greece
- 1999/05 - 1999/05 Other Society Program Committee, ISHPC'99, Keihan International Plaza, Kyoto, Japan
- 1999/02/01 - 1999/03/31 Japan Atomic Energy Research Institute Research Results Evaluation Committee on Computational Software Sub Committee
- 1999/01/01 - 1999/03/31 Japan Atomic Energy Research Institute Research Achievement Evaluation Committee for Research Staff Employment
- 1999/01/01 - 1999/03/31 Japan Information Processing Development Center Chair, Investigation Research Committee of Super Compiler Technology Parallelizing Compiler WG
- 1999/01/01 - 1999/03/31 Japan Information Processing Development Center Investigation Research Committee of Super Compiler Technology
- 1998/10/01 - 1999/03/31 Japan Atomic Energy Research Institute Research Achievement Evaluation Committee for Ph.D Researchers (Computer Science Technology Promotion Center)
- 1996/10/01 - 1999/03/31 Japan Information Processing Development Center Research Institute for Advanced Information Technology(AITEC) Research Trend Investigation WG on Petaflops Machines
- 1998/05/01 - 1998/12/31 Ministry of Education, Culture, Sports, Science and Technology (MEXT) Earth Simulator Intermediate Evaluation Committee
- 1998/03/09 - 1998/09/30 Japan Information Processing Development Center Research Institute for Advanced Information Technology(AITEC) Super Compiler Systems Technology Investigation Committee
- 1998/07 - 1998/07 Other Society Program Committee, PDPTA'98, Las Vegas, Nevada, U.S.A.
- 1998/06/01 - 1998/06/01 Other Society Organizing Committee, SGDC'98 The Symposium on Global Distributed Computing Toward The Year 2010, Waseda Univ., Tokyo, Japan
- 1997/06/01 - 1998/05/01 Information Processing Society of Japan Chair, Journal of IPSJ Editorial Board HG
- 1993/06/01 - 1998/05/01 Information Processing Society of Japan Journal of IPSJ Editorial Board
- 1996/01/01 - 1998/03/31 National Aerospace Laboratory Fundamental Research on Creation Supports in Intellectual Manufacture Activities Third Section Committee
- 1997/09/01 - 1998/03/01 Information Processing Society of Japan Trans. and SIG. Joint Committee
- 1995/04/01 - 1998/03/01 Information Processing Society of Japan Steering Committee, SIG. on Algorithm
- 1986/04/01 - 1998/03/01 The Institute of Electrical Engineers of Japan Secretary, Committee on Information Technology
- 1995/10 - 1997/12 Chair, SIG. on Parallel Processing The Institute of Electrical Engineers of Japan
- 1993/01/01 - 1997/12/01 Information Processing Society of Japan Best Paper Award Selection Committee
- 1997/08 - 1997/08 Other Society Program Committee, ICPP'97, Bloomingdale, Illinois
- 1997/02 - 1997/07 ACM Program Committee, ICS'97, 11th ACM International Conference on Supercomputing, Vienna, Austria
- 1997/07/01 - Japan Atomic Energy Research Institute Research Achievement Evaluation Committee for Research Staff Employment
- 1996/06/01 - 1997/05/01 Information Processing Society of Japan Vice Chair, Journal of IPSJ Editorial Board HG
- 1994/04/01 - 1997/03/31 Real World Computing Partnership (RWC) RWC Super Parallel Architecture Workshop Committee
- 1996/05/01 - 1997/03/01 The Institute of Electronics, Information and Communication Engineers Editorial Board Secretary, English Trans. (D) Special Issue on 'Parallel and Distributed Supercomputing'
- 1993/04/01 - 1997/03/01 Information Processing Society of Japan Steering Committee, SIG. on OS and System Software
- 1996/10/01 - 1996/10/01 IEEE Program Committee, SPDP'96, 8th Symposium on Parallel and Distributed Processing, New Orleans, Louisiana, U.S.A.
- 1995/11/01 - 1996/05/28 ACM Program Vice Chair, ICS'96, 10th ACM International Conference on Supercomputing, Philadelphia, Pennsylvania, U.S.A
- 1994/06/01 - 1996/03/01 The Institute of Electronics, Information and Communication Engineers SIG. on Multi-media Infrastructure & Service
- 1993/01/01 - 1995/12/01 Information Processing Society of Japan Program Committee, The National Convention
- 1995/11/01 - 1995/11/01 IEEE Program Committee, ICECCS'95, First IEEE International Conference on Engineering of Complex Computer Systems, Westin Cypress Creek Hotel, Ft. Lauderdale, Florida, U.S.A
- 1995/02/01 - 1995/07/07 ACM Program Committee, ICS'95, 9th ACM International Conference on Supercomputing, Barcelone, Spain
- 1994/06/01 - 1995/05/01 Information Processing Society of Japan Program Committee, JSPP'95
- 1995/01/01 - 1995/03/31 Japan Atomic Energy Research Institute Research Evaluation Committee on Computer Science Technology Sub Committee
- 1995/01/01 - 1995/03/31 National Aerospace Laboratory Research Evaluation Committee (Computer Science Sub Committee)
- 1995 - 1995 The Institute of Electrical Engineers of Japan Chair, Electronics, Information and System Section 'Trends of Multiprocessor Supercomputer'
- 1994 - 1995 The Institute of Electronics, Information and Communication Engineers Editorial Board, Japanese Trans. (D) Special Issue on 'Real Time Processing Systems and Applications'
- 1994/01/01 - 1994/12/01 Information Processing Society of Japan Program Committee, Electrical and Electronics Joint Conference
- 1994/09/06 - 1994/09/08 Other Society Program Committee, CONPAR'94/ VAPP VI International Conference on Parallel Processing and Vector and Parallel Processing in Computational Sciences, Linz, Austria (Springer-Verlag)
- 1992/10/01 - 1994/09/01 The Institute of Electrical Engineers of Japan Chair, SIG. on Parallel Processing Computer Technology in Industry
- 1993/11/01 - The Institute of Electrical Engineers of Japan Guest Editor, Trans. (C) of IEEJ Special Issue on 'Parallel and Distributed Super Computing'
- 1993/06/01 - Information Processing Society of Japan Reviewer, Journal of IPSJ
- 1992/06/01 - 1993/05/01 Information Processing Society of Japan Program Committee, JSPP'93
- 1992/06/01 - 1993/05/01 Information Processing Society of Japan Chair, IPSJ Magazine Editorial Board HWG
- 1990/06/01 - 1993/05/01 Information Processing Society of Japan IPSJ Magazine Editorial Board
- 1993/01/01 - 1993/03/31 Kyushu University Interdisciplinary Graduate School of Engineering Sciences Invited Lecturer
- 1991 - 1993 The Institute of Electronics, Information and Communication Engineers Secretary, SIG. on Computer Systems
- 1992/01/01 - 1992/12/01 Information Processing Society of Japan The Incentive Prize Selection Committee
- 1991/06/01 - 1992/05/01 Information Processing Society of Japan Vice Chair, IPSJ Magazine Editorial Board HWG
- 1988/04/01 - 1991/03/01 The Institute of Electrical Engineers of Japan SIG. on Simulation Technology
- 1988/06/01 - 1990/05/01 Information Processing Society of Japan Literature and News Committee in IPSJ Magazine
- 1988/04/01 - 1990/03/31 Japan Electronic Industry Development Association Secretary, SIG. on Distributed Computer Control Systems