EXECUTIVES

Born in 1985. Hiroki has a Bachelors of Arts from Rikkyo University's College of Business (formly the Faculty of Sociology). While studying he ran his own business and belonged to Professor Scott Davis' research laboratory. After graduating, he joined the real estate developer, Cosmos Initia Co., Ltd., and engaged in the asset management business for wholesale real estate. From there, Hiroki joined LIFULL Co., Ltd., (formerly Next Co., Ltd.) a company that operates the real estate portal known as HOME'S, and was involved with planning, development, and business and promotion strategy of related IT services. Hiroki co-founded TSUKURUBA Inc. with Masahiro in 2011.

Along with a Ph.D. in Engineering from Tokyo Institute of Technology, Hiroshi has an MBA from Université Paris-Dauphine in partnership with IAE Paris Sorbonne Business School and the Renault Foundation. After working for Corporate Directions Inc., Hiroshi joined Deloitte Tohmatsu Consulting in 2012, moving to Deloitte Consulting Southeast Asia in 2014. His main areas of focus were due diligence and PMI projects related to the overseas expansion of Japanese manufacturers and trading companies, creation of new businesses, and acquisitions. Since 2016, he has been a member of TSUKURUBA’s Management Planning section. After serving as COO Director, he became Director, Senior Executive Officer, CSO and General Manager of Strategy Divisionin August 2023.

Born in 1988. Yoshinori graduated from the Graduate School of Engineering at the University of Tokyo, having majored in computer science and machine learning. In 2012, while still a graduate student, he founded Gunosy Inc. He became the company's CEO and it was listed on the Mothers market of the Tokyo Stock Exchange in 2.5 years after its founding. Later, the company was listed on the First Section of the Tokyo Stock Exchange. Yoshinori then became CEO of Layer X in 2018 and was appointed as a board member of the Japan Blockchain Association (JBA) in June 2019. He was recognized as a Super Creator in 2012, certified under the IPA Program. He was also selected as one of Forbes Asia's 30 under 30 and received an award for a co-authored thesis from the Association for Natural Language Processing in 2017. Yoshinori was appointed as an external director of TSUKURUBA Inc. in October 2019.

Born in 1984, Chieko graduated from Hitotsubashi University, Faculty of Commerce, Department of Business Administration, and is a Certified Public Accountant. In 2006, she joined Ernst & Young ShinNihon LLC, providing accounting audits and internal control advisory services for public companies, international companies, and financial institutions, before opening Nishiura Certified Public Accountants in 2014. She served as a full-time auditor of JapanTaxi K.K. (now GO K.K.), thereafter serving as an external auditor of Takumino Holdings K.K. and an external auditor of NSD Co., Ltd. Chieko was appointed as an external director and full-time member of the audit & supervisory committee of TSUKURUBA Inc. in October 2023.

Kenji graduated from the Graduate School at the University of Tokyo. After working in Corporate Direction (CDI), he joined DeNA Inc. in 2009 and served as its director from 2011 to 2015. He has accumulated comprehensive front-line experience leading a company through its lifecycle from growth to maturity, while managing both business and corporate functions. He founded Signifiant Inc. with Yusuke Asakura and Takafumi Murakami in July 2017. As a General Partner, he manages THEFUND, a growth fund totaling 20 billion yen, investing in SmartHR and other fast-growing companies with an emphasis on engagement to sustain continued growth. He is also an external director of RAKSUL INC. and executive advisor to Nstock Inc. Kenji was appointed as an external director and member of the audit & supervisory committee of TSUKURUBA Inc. in October 2023.

Tadatsugu joined KPMG Peat Marwick, providing international tax and M&A advisory services. He then worked in the investment and credit departments of a venture capital firm, before becoming the CFO of a medical imaging venture company, where he gained experience in corporate planning and capital markets. He then founded his own boutique accounting firm, Mentor Capital Tax Office, in 2001. He has also served as a visiting researcher at the Mitsui & Co. Institute for Strategic Studies and as an external director of public and private start-ups. Based on prior experiences, he has been active providing mentorship to a large number of companies, from start-ups to public companies. Tadatsugu was appointed as an external director and full-time member of the audit & supervisory committee of TSUKURUBA Inc. in October 2023.

Born in 1978. Ryohei has a Bachelors of Arts from Nihon University's College of Economics. Certified Public Accountant. Ryohei joined KPMG AZSA LLC, (formerly Asahi & Co.) in 2003 and registered as a Certified Public Accountant in 2007. After conducting various accounting audits, financial due diligence, and supporting IPOs, he joined STAR FESTIVAL INC., in 2013. He served as CFO and Corporate Auditor of the company, and played an important role in the company's fund raising. Ryohei then joined Faurecia Inc., in 2016 as General Manager, building the company's personnel and internal control system. In 2016, after serving as an external Corporate Auditor of TSUKURUBA Inc., he became Director, CFO in August 2020, Senior Executive Officer and General Manager of Management Division in August 2024.

Born in 1985, Shuntaro graduated from Keio University, Faculty of Commerce. He joined Cosmos Initia Co., Ltd., a real estate developer, in 2009. He was primarily responsible for project management of new Residences, also winning a Good Design Award for new business development. He was appointed the youngest manager in the Retail Brokerage and Purchase & Resale division, subsequently leading the rapid expansion as the team head of both Purchase and Resale functions. Shuntaro joined TSUKURUBA Inc. in July 2023 and was appointed the Representative Director of TSUKURUBA BOX Inc. in August the same year. And he became Senior Executive Officer and General Manager of BOX Business Division in August 2024.

Born in 1991, Kent graduated from Dartmouth College with a B.E. in Mechanical Engineering and Stanford University with an M.S. in Management Science. In 2015, he joined Morgan Stanley’s investment banking division, providing financial and strategic advisory to leading Technology, Media & Telecommunications companies in Japan. In 2017, Kent joined Twitter, eventually heading the Revenue Finance teams located in Tokyo and Singapore, and responsible for strategic planning and financial decision-making of the Asia-Pacific business. In January 2023, Kent joined TSUKURUBA Inc., formally appointed its Chief Financial Officer in August the same year.

Born in 1985. Yasunori started his career in real estate sales and later became an engineer, working on business system development, social game development and more. He moved to a startup and launched a diverse range of services including SaaS, advertising, and business systems and also experienced building a team and selling a business. He joined Sun* Inc. as a lead engineer and project manager. He joined TSUKURUBA Inc. in 2018 and was responsible for system strategy and overall management of the engineering organization as General Manager of the Engineering General Division. And he became Executive Officer, CTO and General Manager of Technology Division in August 2022.

Born in 1979. Kenji worked for a SIer in the development and operation of a CRM-based contract system. In 2007, he joined PwC Consulting LLC and was mainly engaged in consulting services such as new business planning and PMO support. He joined Rakuten, Inc. in 2010 and was seconded to Rakuten Asia in 2014. In 2018 he joined Kamakura Shinsho, Ltd. and worked on product development in the end-of-life area as Executive Director and Head of Product Development Department. In 2021, he joined bellFace Inc. where he was involved in establishing and managing the product management organization and later became a director. He joined TSUKURUBA Inc. in February 2024 and became Executive Officer and General Manager of Product and Service Division in August 2024.