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Mobcast Group Representative & CEO
Koki Yabu
Successfully grew Bell-Park Co., Ltd. in the capacity of Managing Director of Sales, and led to its public listing on JASDAQ in 2000. In 2003, was named President and Representative Director at J-Phone Service Co., Ltd. (currently Japan Pro Staff Co., Ltd.). Established mobcast inc. as Representative Director in 2004, in response to the business potential of mobile contents. Listed mobcast, inc. in TSE Mothers in 2012 as his second time of experience for listing. Reorganized mobcast inc. into a holding company in April 2018. Changed the company name to MOBCAST HOLDINGS INC., aiming to expand the Group’s business in all areas of entertainment.
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Board of Directors
Kazuaki Sanada
Joined Salomon Brothers Asia Securities Co., Ltd. (currently Citigroup Securities Co., Ltd.) in April 1989. Primarily responsible for accounting operations, in January 2002, he was appointed vice president of the accounting department. In September 2004, he transferred to Citigroup Principal Investments Japan, where he oversaw the management department. After that, he joined Anicom General Insurance Co., Ltd. in October 2017 and worked in the corporate planning department. Joined Mobcast Holdings Co., Ltd. in January 2021 and served as group accounting manager and group management manager, and then became director in March 2024.
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Board of Directors
Shunsuke Chiku
Shunsuke Chiku began his career at Daikyo Inc., where he held roles in sales, corporate planning, and HR. Amid the global financial crisis, he led restructuring initiatives including group reorganization, M&A, and the implementation of management accounting, while also designing leadership development programs for executives and next-generation talent. After earning his MBA from GLOBIS University, he joined the institution, driving community engagement and business conference planning while serving as a lecturer in critical thinking. Chiku joined Mobcast Holdings in 2019. As Head of the Group Representative Office, he has overseen corporate strategy, new business development, portfolio company support, fundraising, IR, and human capital development. Appointed Director in March 2025, he currently leads the Creator Development Division (HR), advancing Mobcast’s co-creation strategy and driving sustainable corporate value through talent-led innovation.
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Outside Director
Katsuhiko Handa
At Hakuhodo Inc. and Hakuhodo DY Media Partners, the executive was involved in producing media content and developing business in the media content field. He founded F1 Media (now W TOKYO), which operates Tokyo Girls Collection, as an internal venture and served as the Representative Director and President. He also served as a Director at Hakuhodo DY Outdoor. Later, he participated in Dream Incubator Inc. as an executive officer, providing business production support to client companies and management support to investee companies. From March 2022, he has been serving as the Outside Director of MOBCAST HOLDINGS INC.
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Audit & Supervisory Board Member
Hirokazu Ohtsuki
Joined Tanabe Tax & Accounting Firm as staff in April 1982, joined TOM'S Co., Ltd. in November 1989 as an accounting professional, and became Director of the company's general administrations department in July 2016. After working in the MOBCAST HOLDINGS INC. Administration department since February 2018, rose to Auditor in March 2020.
