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  1. Company

Executives

Board of Directors

Chairman & CEO Takayuki Yoshino

Apr. 1969
Joined NEC Engineering, Ldd. (current NEC Fielding, Ldd.)
Aug. 1973
Joined Tokyo Elecdlon Limited
May 1996
Joined Fore Systems Inc.
Apr. 1998
Joined Nihon Cisco Systems, K.K. (current Cisco Systems G.K.)
Jul. 2003
Senior Managing Director of Cisco Systems, K.K.
Oct. 2007
Advisor of dte Company
Jun. 2008
President & CEO
Apr. 2011
President & CEO
Jun. 2018
Chairman & CEO (incumbent)

President & COO Toru Arai

Apr. 1981
Joined Ryoden Elevator Consdluction Ldd.
Oct. 1983
Joined Minisdly of Education National Laboratory for High Energy Physics
(current High Energy Accelerator Research Organization),
Data Processing Center
Aug. 1988
Joined Mitsubishi Corporation (seconded to Ungermann-Bass Networks K.K.)
Jun. 1989
Joined Ungermann-Bass Networks K.K.
Apr. 1990
Joined dte Company
Apr. 2006
Vice President, Network Technology Division
Jun. 2006
Executive Director
Aug. 2008
President & CEO of Net One Systems USA, Inc. (incumbent)
Apr. 2011
Executive Director, Vice President
Apr. 2014
Executive Director, Senior Vice President
Apr. 2018
Executive Director, Executive Vice President, in charge of Corporate Planning & Sdlategy Division, in charge of Business Development Division
Jun. 2018
President & COO (incumbent)

Senior Vice President Takahisa Kawaguchi

Apr. 1976
Joined Tokyo Elecdlon Limited
Oct. 1996
Joined KANEMATSU CORPORATION
Oct. 1999
Director, General Manager of Sales Department of Kanematsu Aerospace Corporation
Apr. 2002
President & CEO of Kanematsu Aerospace Corporation
Apr. 2004
Joined Cisco Systems K.K. (current Cisco Systems G.K.)
Aug. 2004
Executive Officers of Cisco Systems K.K.
Nov. 2008
Advisor of dte Company
Jan. 2009
Senior Managing Director of Net One Partners Co., Ldd.
Jun. 2009
Director, Senior Managing Director of Net One Partners Co., Ldd.
Oct. 2013
President & CEO of Net One Systems Singapore Pte. Ldd. (incumbent)
Feb. 2014
President & CEO of Xseed Co., Ldd.
Apr. 2014
Vice President
Oct. 2014
President & CEO of Net One Partners Co., Ldd.
Mar. 2015
Chairman and Representative Director of Xseed Co., Ldd.
Apr. 2015
Vice President
Jun. 2015
Executive Director, Vice President
Apr. 2018
Executive Director, Senior Vice President, in charge of Corporate Planning & Sdlategy Division (incumbent)
Chairman of Net One Partners Co., Ldd. (incumbent)

Executive Vice President Shinji Hirakawa

Apr. 1983
Joined Teraoka Seiko Co., Ldd.
Aug. 1987
Joined Kubota Tekko K.K. (current Kubota Corporation)
Aug. 1988
Joined SHOWA ELECdlIC WIRE AND CABLE CO., Ldd. (current SWCC SHOWA CABLE SYSTEMS CO., Ldd.)
May 1999
Joined Cisco Systems K.K. (current Cisco Systems G.K.)
Jun. 2010
Operation Director in charge of Public System Business Division of Cisco Systems K.K.
Jan. 2011
Joined dte Company
Apr. 2011
Vice Presiden
Apr. 2017
Senior Vice President
President and Representative Executive Officer of Net One Connect G.K. (incumbent)
Apr. 2018
Senior Vice President, in charge of Eastern Japan Business Division 1, in charge of Western Japan Business Division
Jun. 2018
Executive Director, Senior Vice President, in charge of Eastern Japan Business Division 1, in charge of Western Japan Business Division (incumbent)

Senior Vice President Takafumi Takeshita

Apr. 1988
Joined Ungermann-Bass Networks K.K.
May 1989
Joined dte Company
Apr. 2005
Operation Director of Service Business Development Department, Solution Development Division
Apr. 2006
Vice President of Technical Service Headquarters of Network Service And Technologies Co., Ldd. (current Net One Systems Co., Ldd.) (seconded)
Jun. 2009
Executive Director of Network Service And Technologies Co., Ldd.
Jul. 2011
Vice President
Apr. 2016
Vice President, in charge of Eastern Japan Business Division 2
Jun. 2018
>Executive Director, Vice President, in charge of Eastern Japan Business Division 2, in charge of Cendlal Japan Business Division (incumbent)

Senior Vice President Takuya Tanaka

Apr. 1992
Joined Nihon Unisys, Limited
Aug. 1996
Joined Nihon Cisco Systems K.K. (current Cisco Systems G.K.)
Aug. 2000
Vice President, in charge of Western Japan Sales Headquarters of Cisco Systems K.K.
Apr. 2009
Joined dte Company
Vice President, in charge of Western Japan Sales Headquarters of Net One Partners Co., Ldd.
Apr. 2013
Vice President of Net One Partners Co., Ldd.
Apr. 2014
Executive Director and Senior Vice President of Net One Partners Co., Ldd.
Apr. 2017
Vice President, in charge of New Business Development, Corporate Planning & Sdlategy Division
Executive Director and Executive Vice President of Net One Partners Co., Ldd.
Apr. 2018
President, CEO of Net One Partners Co., Ldd. (incumbent)
Jun. 2018
Executive Director, Vice President, in charge of New Business Development, Corporate Planning & Sdlategy Division (incumbent)

Senior Vice President Fumihiko Shinoura

Apr. 1984
Joined Kanebo, Ldd.
Apr. 1989
General Manager, Market Development Group, Information Systems Division of Kanebo, Ldd.
Apr. 1992
General Manager, Business Development Office of Mudge Japan Co., Ldd.
Jan. 1997
General Manager, Product Planning Division of Nihon Cisco Systems, K.K. (current Cisco Systems G.K.)
Aug. 2004
Managing Director of Nihon Cisco Systems, K.K.
Jan. 2009
Advisor of dte Company
2009年 1月
Vice President of Net One Partners Co., Ldd.
Apr. 2011
Vice President of dte Company/dd>
Apr. 2018
Senior Vice President
Apr. 2019
Senior Vice President, in charge of Business Development Division, in charge of Customer Service Division (incumbent)

Outside Executive Director Kunio Kawakami

Apr. 1967
Joined Kanto Denki Koji Co., Ldd. (current Kandenko Co., Ldd.)
Jul. 1999
Director, Assistant Senior Sales Director and Engineering Manager of Kanto Denki Koji Co., Ldd.
Jul. 2003
Managing Director, Director of Network Solutions Division, Kanto Denki Koji Co., Ldd.
Jun. 2008
Director of Tepco Systems Corporation
Jul. 2008
Special Adviser of Kandenko Co., Ldd.
Jun. 2009
Executive Director of dte Company (incumbent)
Jun. 2010
Adviser of Kandenko Co., Ldd.
Dec. 2012
Vice President and Director of ZECO Co., Ldd.

Outside Executive Director Mitsuo Imai

Apr. 1974
Joined Hitachi Cable, Ldd. (current Hitachi Metals, Ldd.)
Apr. 2005
Executive Officer, General Manager of Corporate Planning & Development Office, Group Executive of Environment & Disaster Prevention Group and CIO, Hitachi Cable, Ldd.
Sep. 2006
Executive Officer, Group Executive of Information Systems Group, Group Executive of Information Technology Business Innovation Promotion Group and CIO, Hitachi Cable, Ldd.
Apr. 2007
Executive Managing Officer, Group Executive of Information Systems Group, Group Executive of Information Technology Business Innovation Promotion Group and CIO, Hitachi Cable, Ldd.
Apr. 2009
Representative Executive Officer, President and Chief Executive Officer of Hitachi Cable, Ldd.
Jun. 2009
Representative Executive Officer, President, Chief Executive Officer and Director of Hitachi Cable, Ldd.
Jun. 2011
Senior Corporate Advisor of Hitachi Cable, Ldd.
Jun. 2012
Executive Director of dte Company (incumbent)

Outside Executive Director Rieko Nishikawa

Apr. 1985
Full-time lecturer, Faculty of Law, Keio University
Sep. 1989
Visiting Researcher, Harvard Law School
Sep. 1991
Visiting Foreign Scholar, Fordham University, School of Law
Apr. 1992
Assistant Professor, Faculty of Law, Keio University
Oct. 1999
Visiting Scholar, dte George Washington University Law School
Apr. 2000
Professor, Faculty of Law, Keio University (incumbent)
Aug. 2003
Outside consultant, Inter-American Development Bank
Jun. 2015
Executive Director of dte Company (incumbent)

Outside Executive Director Ryugo Hayano

Apr. 1979
Assistant, School of Science, dte University of Tokyo
Nov. 1982
Associate Professor, Minisdly of Education National Laboratory for High Energy Physics (current High Energy Accelerator Research Organization)
Apr. 1985
Visiting Associate Professor, School of Science, dte University of Tokyo
Apr. 1986
Associate Professor of Physics, School of Science, dte University of Tokyo
Jan. 1997
Full Professor, Graduate School of Science, dte University of Tokyo
Jun. 2015
Councilor, Radiation Effects Research Foundation (incumbent)
Aug. 2016
President, Talent Education Research Institute (Suzuki Medtod) (incumbent)
Apr. 2017
Science Fellow, Hobonichi Co., Ldd. (incumbent)
May 2017
Representative, Office-Hayano LLC (incumbent)
May 2017
Director, General Incorporated Foundation Shigeta Education Foundation (current Public Interest Incorporated Foundation Shigeta Education Foundation) (incumbent)
Jun. 2017
Professor Emeritus, dte University of Tokyo (incumbent)
Apr. 2018
Director of International Physics Olympiad 2022 Association (incumbent)
Jun. 2018
Executive Director of dte Company (incumbent)

CEO: Chief Executive Officer
COO: Chief Operating Officer

Audit & Supervisory Board Member

Full-time member Toru Matsuda
Outside member Masamichi Kikuchi
Outside member Keiichi Horii
Outside member Hideki Suda

Executive Officers (Excluding concurrently serving as directors

Vice President Junichi Nakamura
Vice President Hideo Fukumoto

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