B o a r d M e m b e r s

Representative Director, President Hideki Watanabe

Joined NTT Mobile Communications Network, Inc. (now NTT DOCOMO) in 1996. Operating at the forefront of the mobile internet business since the launch of "i-mode," he engaged in platform development and content planning. In 2007, through a secondment to Rakuten (now Rakuten Group), he cultivated deep expertise in e-commerce and point-based ecosystems.

Upon returning to NTT DOCOMO in 2010, he spearheaded the launch of "dmarket," a carrier-led marketplace, and led the creation of numerous new businesses including e-books, games, and commerce, thereby significantly expanding the Smart Life business. In 2023, as General Manager of the Customer Success Department, he led the d POINT, d Payment, and marketing solution businesses, driving Digital Transformation (DX) and the maximization of Customer Lifetime Value (LTV) through data utilization. He was appointed Representative Director, President, and Executive Officer of CARTA HOLDINGS in 2025.
Representative Director, Vice President Manabu Takahashi

Joined Dentsu Inc. in 1997. After gaining hands-on experience in sales promotion, marketing, and PR for major national clients, he shifted his focus to the direct marketing domain. From 2007, at Dentsu Direct Force (now Dentsu Direct), he drove customer acquisition businesses including direct sales and CRM. In 2016, he served as a General Manager at Dentsu Digital, leading teams at the forefront of the digital shift.

In 2017, he established the Full-Funnel Consulting Department at Dentsu, directing the strategy and execution of data-driven, integrated online-offline marketing. As General Manager of the Marketing Intelligence Department from 2024, he advanced decision-making support utilizing data and AI. He was appointed Representative Director, Executive Vice President, and Executive Officer of CARTA HOLDINGS in 2025.
Director CFO Hidenori Nagaoka

Joined axiv.com (later VOYAGE GROUP) in 2000 after working at a management consultancy firm. As Director CFO, he has been responsible for overall capital policy, having been involved in the capital alliance with CyberAgent in 2001, the MBO from CyberAgent in 2012, the listing on TSE Mothers, and the subsequent move to TSE First Section. Appointed Director CFO of CARTA HOLDINGS in 2019.

Director (non full-time) Hideki Ishibashi
Director (non full-time) Daisuke Oshidari
Director (non full-time) Syunske Ikeda
Director and Executive Officer Yuki Oka
Supervisory Board Member Yoshinari Noguchi
Supervisory Board Member (non full-time) Syohei Matsumura

Executive Officer Masashi Nishizono
Executive Officer Kazuyuki Furuya
Executive Officer Rika kajiwara
Executive Officer Satoshi Iwasaki
Executive Officer Yuji Ogura
Executive Officer ,CTO Kenta Suzuki