Executive Team Executive Team
Takao Hayashi
President
- Jun 1997
- Founded Ateam
- Feb 2000
- Established Ateam, Ltd. (now Ateam Holdings Co., Ltd.)
Appointed President and CEO (current position)
Yukimasa Nakauchi
Director
- Aug 2004
- Joined GMO Internet, Inc. (now GMO Internet Group, Inc.)
- Apr 2005
- Appointed President and CEO of GMO-interTAINMENT, Inc.
- Apr 2007
- Appointed COO of Increws Co., Ltd.
- Sep 2009
- Joined Ateam Inc.（now Ateam Holdings Co., Ltd.）
- Oct 2010
- Appointed Director of Ateam Inc. ( now Ateam Holdings Co., Ltd.)
- Aug 2012
- Appointed Corporate Officer, General Manager of Entertainment Division of Ateam Inc.
- Dec 2016
- Appointed President of Ateam Vietnam Co., Ltd. (current position)
- Apr 2021
- Appointed President of Ateam Entertainment Inc. (current position)
- Oct 2025
- Appointed Director of Ateam Holdings Co., Ltd. (current position)
Toshihiko Hiura
Outside Director
- Apr 1983
- Joined The Industrial Bank of Japan, Limited (now Mizuho Bank, Ltd.)
- Feb 1986
- Joined Bain & Company Japan, Inc.
- Jan 2008
- Representative of Japan Office, Bain & Company Japan, Inc.
- Apr 2014
- Chairman of Japan Office, Bain & Company Japan, Inc.
- Jun 2019
- Outside Director, ExaWizards Inc.
- Jan 2023
- Outside Director, Aillis, Inc. (current position)
- Oct 2025
- Appointed Outside Director of Ateam Holdings Co., Ltd. (current position)
Junya Kato
Outside Director (Audit & Supervisory Committee Member)
Attorney
- Sep 2007
- Became a Registered Attorney
- Nov 2009
- Became a Registered Patent Attorney
- Jan 2012
- Established Jonan Law Office, and Appointed Head of the office (current position)
- Feb 2013
- Appointed Audit & Supervisory Board Member of A.T.brides Inc. (now Ateam LifeDesign Inc.)
- Oct 2015
- Appointed Outside Director of Ateam Inc. (now Ateam Holdings Co., Ltd.)(current position)
- Oct 2019
- Appointed Outside Audit & Supervisory Board Member of Photo electron Soul Inc. (current position)
- Jan 2024
- Appointed Outside Audit & Supervisory Board Member of LASSIC, Inc. (current position)
- May 2025
- Appointed Outside Audit & Supervisory Board Member of Corpy&Co., Inc. (current position)
Hiromi Kitagawa
Outside Director (Audit & Supervisory Committee Member)
Attorney
- Apr 1996
- Became a Registered Attorney
Joined Nandate Law Office - Jul 2003
- Partner, Nandate & Kitagawa Law Office
- Apr 2014
- Director, Chubu Federation of Bar Associations
- Apr 2016
- Vice President, Aichi Bar Association
- Apr 2017
- Professor, Graduate School of Law, Nanzan University (current position)
- Sep 2018
- Certified Fraud Examiner (CFE)
- Apr 2022
- Representative Partner, GROWTH Lawyer Corporation (current position)
- Jun 2022
- Outside Director, Nippon Air-Conditioning Service Corporation (current position)
- Oct 2023
- Appointed Outside Director of Ateam Holdings Co., Ltd. (current position)
Ryuji Doi
Outside Director（Audit & Supervisory Committee Member）
CPA / Tax attorney
- Apr 1995
- Joined Imai Accounting Joint Office (now Atax Tax Accountant Corporation)
- Apr 1998
- Registered as a Certified Public Accountant
- Feb 1999
- Registered as a Tax Accountant
- Aug 2000
- Joined HIMARAYA Co., Ltd.
- Jul 2004
- Partner Tax Accountant, Asahi Tax Corporation
- Dec 2009
- Established Doi Accounting Office, Director (current position)
Established R’s Consulting KK, Representative Director (current position) - Jun 2023
- Outside Auditor, COMO CO., LTD. (current position)
- Oct 2025
- Appointed Outside Director of Ateam Holdings Co., Ltd. (current position)