Apr. 1987: Joined Nippon Information and Communication Corporation; May 1990: Joined Net One Systems Co., Ltd.; Jul. 1997: Appointed Representative Director of 144 Technology Co., Ltd.; Aug. 1998: Founded 144 Club Co., Ltd., appointed Representative Director; Feb. 2000: Founded the Company, appointed Representative Director & President; Sep. 2026: Appointed Representative Director & Chairman of the Company (current)

Feb. 2001: Joined the Company; Sep. 2005: Appointed Director; Aug. 2006: Appointed Audit & Supervisory Board Member; Oct. 2007: Appointed General Manager, Sales Division; Feb. 2014: Appointed General Manager, General Affairs Division; Dec. 2015: Appointed General Manager, Corporate Strategy Office; Dec. 2015: Appointed Director; Oct. 2020: Appointed General Manager, Administration Division; Sep. 2026: Appointed Representative Director & President of the Company (current)

Apr. 1985: Joined Hitachi Software Engineering Co., Ltd.; Feb. 1998: Joined EMC Japan Ltd.; Nov. 2018: Joined the Company; Oct. 2020: Appointed General Manager, Technical Division; Sep. 2022: Appointed Director of the Company (current)

Apr. 1996: Joined Zaiseido Pharmaceutical Co., Ltd.; Dec. 1999: Served as Japan Overseas Cooperation Volunteer, Japan International Cooperation Agency (JICA); Dec. 2003: Joined Kagiya Co., Ltd.; Jul. 2007: Joined Niwaka Co., Ltd.; Jun. 2011: Appointed Section Manager, Corporate Planning Office at Niwaka Co., Ltd.; Apr. 2016: Dispatched to China and the Republic of Uzbekistan by JICA as a Private Sector Partnership Expert; Sep. 2023: Joined the Company; Nov. 2023: Appointed General Manager, Market Strategy Division; Sep. 2026: Appointed Director of the Company (current)

Apr. 1997: Registered as Patent Attorney; Apr. 1997: Joined Kawawa International Patent Office; May 1999: Joined Ashida & Kimura International Patent Office (current); Dec. 2001: Appointed Outside Director of the Company (current)

Apr. 1981: Joined Ryodensha Elevator Facilities Co., Ltd.; Oct. 1983: Joined the Data Processing Center, National Laboratory for High Energy Physics, Ministry of Education (currently High Energy Accelerator Research Organization, KEK); Aug. 1988: Joined Mitsubishi Corporation (seconded to Ungermann-Bass Co., Ltd.); Jun. 1989: Joined Ungermann-Bass Co., Ltd.; Apr. 1990: Joined Net One Systems Co., Ltd.; Jun. 2006: Appointed Director; Apr. 2014: Appointed Director and Managing Executive Officer; Jun. 2018: Appointed Representative Director and President & CEO; Apr. 2021: Appointed Advisor; Apr. 2022: Appointed Advisor to the Company; Sep. 2022: Appointed Outside Director of the Company; Sep. 2024: Appointed Full-time Audit & Supervisory Board Member; Sep. 2025: Appointed Director, Audit and Supervisory Committee Member of the Company (current)

Oct. 1991: Joined Tohmatsu & Co. (currently Deloitte Touche Tohmatsu LLC); Aug. 1995: Registered as Certified Public Accountant; Jul. 1996: Joined Orgut Co., Ltd. (subsequently absorbed into Asea Boveri); Jul. 1997: Joined Hyperion Co., Ltd. (subsequently absorbed into Oracle Corporation Japan); Aug. 1998: Joined SoftBank Corp.; Oct. 2000: Joined SoftBank Investment Corporation (currently SBI Holdings, Inc.); Dec. 2004: Joined SBI Capital Co., Ltd. (transferred from SBI Holdings, Inc.); Apr. 2015: Joined Yahoo Japan Corporation (currently LY Corporation); Apr. 2019: Appointed Partner, Shisai Audit Corporation; Sep. 2020: Appointed Outside Audit & Supervisory Board Member of the Company; Sep. 2021: Appointed Outside Director, Audit and Supervisory Committee Member of HIROTSU BioScience Inc.; Mar. 2025: Appointed Outside Audit & Supervisory Board Member of Trend Micro Incorporated (current); Jun. 2025: Appointed Outside Audit & Supervisory Board Member of Mikuni Corporation (current); Sep. 2025: Appointed Outside Director, Audit and Supervisory Committee Member of the Company (current)

Dec. 2008: Registered as Attorney at Law; joined Tokyo Hatchobori Law Office; Jul. 2012: Tokyo Metropolitan Labor Relations Commission Secretariat; Jul. 2014: Returned to Tokyo Hatchobori Law Office; Jan. 2019: Partner Attorney, Tokyo Hatchobori Law Office (current); Sep. 2023: Appointed Outside Director of the Company; Sep. 2025: Appointed Outside Director, Audit and Supervisory Committee Member of the Company (current)