Carta Holdings announces leadership overhaul, new management structure

Carta Holdings announced a new management structure, changes in representative directors, and the election of six director candidates and one audit & supervisory board member candidate, all scheduled for formal approval at an extraordinary general meeting of shareholders on December 11, 2025. Hideki Watanabe will become representative director, president, executive officer, and Manabu Takahashi will become representative director, vice president, executive officer. Both are new appointments to their respective representative director positions.

The restructuring follows a business and capital alliance agreement with NTT DOCOMO and Dentsu Group on June 16, 2025. The company stated that a renewal of the management structure, including changes in representative directors, is appropriate to drive business alliance matters and other measures outlined in the agreement.

As part of the changes, current representative director, president, CEO, and executive officer Shinsuke Usami will retire from his director position. Other retiring members include Rika Kajiwara (director, executive officer and CSO), Makiko Ishiwatari (director, part-time, outside), Takashi Watanabe (director, part-time, outside), Tadashi Kitahara (director, part-time), Hideo Hatano (audit & supervisory board member, part-time), and Shizuka Sawada (audit & supervisory board member, part-time, outside).