Apr 2016: Joined Akatsuki Inc. Apr 2018: Established the Company; assumed office as Representative Director of the Company (current)

Jun 2018: Joined the Company Assumed office as Director of the Company (current)

Apr 2001: Joined The Dai-Ichi Kangyo Bank, Ltd. (now Mizuho Bank, Ltd.) Aug 2005: Joined Nikko Cordial Securities Inc. (now SMBC Nikko Securities Inc.) May 2007: Joined Start Today Co., Ltd. (now ZOZO, Inc.); assumed office as Head of Internal Audit Office Aug 2010: Assumed office as General Manager, Management Administration Division Apr 2012: Assumed office as General Manager, EC Business Division Jul 2017: Assumed office as General Manager, Management Administration Division May 2019: Assumed office as Executive Officer and General Manager, Management Administration Division Jul 2019: Outside Corporate Auditor, Cocopelli, Inc. Jul 2020: Assumed office as Executive Officer and General Manager, EC Business Division; Executive Officer, MSP Business Division Sep 2020: Assumed office as Director of the Company Feb 2021: Assumed office as Executive Officer, Category Promotion Division, ZOZO, Inc. Jun 2021: Director and COO, ZOZO, Inc. (current) Dec 2023: Outside Director, Hupro Inc. (current) Dec 2023: Outside Director of the Company (current)

Apr 2007: Joined AERIA, Inc. Jul 2007: Representative Director, Clezo Inc. Dec 2008: Established AERIA ESTATE Inc.; assumed office as Representative Director Apr 2011: Joined Acwire, Inc. Nov 2011: Established Crowdworks, Inc.; joined Nov 2012: Assumed office as Director, Crowdworks, Inc. Jan 2018: Assumed office as Corporate Auditor, Bizassi Inc. Jan 2018: Assumed office as Corporate Auditor, graviee Inc. Jan 2018: Assumed office as Corporate Auditor, Brain Partner Inc. Jun 2018: Assumed office as Director, FISM Co., Ltd. Sep 2018: Assumed office as Director, LeapMind Inc. Jan 2021: Assumed office as Outside Corporate Auditor, XAI Inc. Jun 2021: Assumed office as Outside Corporate Auditor, Pathee Inc. Jul 2021: Assumed office as Outside Corporate Auditor, ZEALS Inc. (current) Dec 2021: Assumed office as Director, Influence Protocol Inc. Apr 2023: Assumed office as Outside Director, ISSUE RESEARCH & TECHNOLOGIES Inc. (current) Jul 2023: Assumed office as COO, Kaikaikiki Co., Ltd. (current) Nov 2023: Outside Director of the Company (current) Apr 2024: Assumed office as Outside Corporate Auditor, Konocell Inc. Sep 2024: Assumed office as Outside Corporate Auditor, SQUEEZE Inc. (current) Jun 2025: Assumed office as Outside Corporate Auditor, Geofla Inc. (current)

Apr 2008: Joined AERIA, Inc. Apr 2016: Joined Diamond Head Co., Ltd. Oct 2019: Joined Classmethod Inc. as Legal Specialist Nov 2020: Joined Saica Inc. Oct 2021: Assumed office as Full-time Corporate Auditor, BRH Inc. Jun 2022: Assumed office as Outside Corporate Auditor of the Company (current)

Oct 2002: Registered as attorney-at-law; joined Nagashima Ohno & Tsunematsu May 2008: Completed LL.M. program, Columbia Law School Nov 2011: Joined Kataoka & Partners Jan 2014: Assumed office as Partner, Kataoka & Partners (current) Jun 2014: Assumed office as Supervisory Officer, Tokio Marine Private REIT Investment Corporation (current) Jun 2015: Assumed office as Outside Corporate Auditor, Japan Aviation Electronics Industry, Ltd. Dec 2017: Assumed office as Outside Corporate Auditor, Japan Renewable Energy Corporation Aug 2019: Assumed office as Outside Corporate Auditor, Bizreach, Inc. Feb 2020: Assumed office as Outside Director (Audit and Supervisory Committee Member), Visional, Inc. (current) Jun 2022: Assumed office as Outside Director (Audit and Supervisory Committee Member), DM Mitsui Sugar Co., Ltd. (current) Jun 2022: Assumed office as Outside Corporate Auditor of the Company (current) May 2024: Assumed office as Auditor, Organization for the Promotion of Transition to a Decarbonized Growth Economy (current) Jun 2024: Assumed office as Outside Corporate Auditor, Tokyo Century Corporation (current)

Apr 1993: Joined Nikkei Research Inc. Oct 2000: Joined Deloitte Touche Tohmatsu (now Deloitte Touche Tohmatsu LLC) Apr 2004: Registered as Certified Public Accountant Jan 2007: Joined Nikko Cordial Securities Inc. (now SMBC Nikko Securities Inc.) Feb 2021: Opened Yoshiaki Ishikubo CPA Office (current) Mar 2022: Assumed office as Representative Director, MI Growth Partners Inc. (current) Jun 2022: Assumed office as Outside Corporate Auditor of the Company (current)