Apr 1988 Joined ASCII Corporation Dec 1999 Joined Internet Research Institute, Inc. Apr 2000 Assumed position as Director of the Company Oct 2002 Assumed position as Representative Director of the Company (current) Sep 2005 Assumed position as Director, Internet Research Institute, Inc. Nov 2012 Assumed position as Director, Enfactory Inc. Jun 2015 Assumed position as Director, Ehon Navi Co., Ltd. (current) Mar 2018 Assumed position as Director, MarkLines Co., Ltd. (current) Jul 2021 Assumed position as Director, SAVAWAY Inc. (current) Nov 2022 Assumed position as Director, F.I.T. Pacific Inc. (current) Jul 2025 Assumed position as Director, Impress Holdings Inc. (current) Mar 2026 Assumed position as Director, Broadband Tower, Inc. (current)

May 1986 Joined Japan Management Association Consultants Inc. Jan 1991 Assumed position as Director, Creative Brains Inc. Jul 1995 Joined former Eed Inc. Jul 2003 Assumed position as Executive Officer, former Eed Inc. Apr 2005 Assumed position as Director, former Eed Inc. Jun 2010 Assumed position as Director of the Company (current) Jan 2020 Assumed position as Director, Netshop Research Institute Inc. Jul 2021 Assumed position as Corporate Auditor, SAVAWAY Inc. (current) Nov 2022 Assumed position as Corporate Auditor, F.I.T. Pacific Inc. (current) Oct 2023 Assumed position as Corporate Auditor, Cinematoday Inc. (current) Sep 2024 Assumed position as Corporate Auditor, Enfactory Inc. Aug 2026 Assumed position as Corporate Auditor, Netshop Research Institute Inc. (current)

Apr 1987 Joined New Media Soken Inc. Dec 1996 Assumed position as Director, Internet Research Institute, Inc. Feb 2000 Assumed position as Executive Vice President and Director, Global Center Japan Inc. (now Broadband Tower, Inc.) Apr 2000 Assumed position as Director of the Company Mar 2002 Assumed position as Representative Director and President, Global Center Japan Inc. (now Broadband Tower, Inc.) Oct 2005 Assumed position as Director, BBF Inc. Mar 2006 Assumed position as Director of the Company (current) Sep 2009 Assumed position as Director, Broadband Tower, Inc. Oct 2009 Assumed position as Representative Director and President, Dreamkid Inc. (current) Jan 2011 Assumed position as Representative Director, Cambodia Dream Co., Ltd. (now NETCINEMA.TV Inc.) (current) Jul 2015 Assumed position as Director, Campus Navi TV Inc. (current) Feb 2016 Assumed position as Director, Global IoT Technology Ventures Inc. (current) Oct 2017 Assumed position as Director, IoT Square Inc. (now ECBO Square Inc.) Sep 2019 Assumed position as Representative Director and Chairman, IoT Square Inc. (now ECBO Square Inc.) Apr 2026 Assumed position as Director, Internet Research Institute, Inc. (current)

Apr 1990 Joined The Mitsubishi Trust and Banking Corporation (now Mitsubishi UFJ Trust and Banking Corporation) Jul 1996 Joined Japan AT&T K.K. Apr 1998 Joined Schroder Ventures K.K. Jul 2002 Joined MKS Partners K.K. as Partner Sep 2005 Joined Carlyle Japan LLC Oct 2009 Established Growth Initiative Inc. and assumed position as Representative Director (current) Sep 2011 Assumed position as Director, Alflex Japan Co., Ltd. (current) Sep 2015 Assumed position as Director of the Company (current) Feb 2016 Assumed position as Director, Cookbiz Co., Ltd. (current) Jul 2016 Assumed position as Director, Lifestyle Accent Co., Ltd. (current) Feb 2017 Established Growth Point Equity LLP and assumed position as Partner (current) May 2017 Assumed position as Director, No.1 Inc. (current) Aug 2018 Assumed position as Director, News2u Holdings, Inc. (current) Nov 2024 Assumed position as Director, Mobilus Corporation (current) Jun 2025 Assumed position as Director, Numajiri Sangyo Co., Ltd. (current)

Apr 1985 Joined Computer Services Corporation (now SCSK Corporation) Jun 2000 Assumed position as Director, ASCII Corporation (now KADOKAWA Corporation) Sep 2002 Assumed position as Corporate Auditor, Astroarts Inc. (current) Apr 2008 Assumed position as Director, ASCII Media Works Inc. (now KADOKAWA Corporation) Jun 2012 Assumed position as Director, Bookwalker Inc.* Apr 2019 Assumed position as Director, KADOKAWA Connected Inc.* Jun 2019 Assumed position as Representative Director, ATX Inc.* Mar 2021 Assumed position as Director and CFO, KADOKAWA Connected Inc.* *All of the above are held concurrently with Dwango Co., Ltd. Sep 2025 Assumed position as Corporate Auditor of the Company (current) Aug 2026 Assumed position as Corporate Auditor, Ace Child Co., Ltd. (current)

Mar 1976 Joined Otsuka Corporation Mar 2009 Assumed position as Executive Officer, Otsuka Corporation Sep 2013 Assumed position as Corporate Auditor of the Company (current) Jun 2016 Assumed position as Corporate Auditor, Japan Integration Co., Ltd. (current) Sep 2023 Assumed position as Director, MSP Corporation (current)

Apr 1995 Joined Koei Co., Ltd. (now Koei Tecmo Holdings Co., Ltd.) Aug 2004 Joined NIF Ventures Co., Ltd. (now Daiwa Investment Corporation) Oct 2010 Transferred to Daiwa Securities Group Inc.; seconded to Daiwa PI Partners Co., Ltd. Jul 2016 Established Roundabout Capital Co., Ltd. (now Encouraged Co., Ltd.) and assumed position as Representative Director (current) Feb 2017 Assumed position as Director, Huong Giang Tourist Joint Stock Company Jan 2018 Assumed position as Director, Asian Foundation Consortium Apr 2018 Assumed position as Chief Financial Officer, Yangon Press Asia Company Limited Apr 2018 Assumed position as Director, Myanmar Japan SEDA Tokyo General Incorporated Association Sep 2018 Assumed position as Corporate Auditor of the Company (current) Dec 2020 Assumed position as Corporate Auditor, Space Shift Inc. (current) Mar 2024 Assumed position as Corporate Auditor, AlgaleX Inc. (current) Mar 2025 Assumed position as Partner, Growth Point Equity LLP (current) Mar 2026 Assumed position as Corporate Auditor, Ninesigma Holdings Inc. (current)