Project Member
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Yoshiyuki Takano
President & CEO
Born 1984, Chiba Prefecture. Kyoto University graduate. Former consultant and investment fund manager. Enjoys martial arts and fishing.
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Shinsuke Torii
Executive Vice President
Born 1986, Hyogo Prefecture. Previously worked at an automotive manufacturer and a consulting firm. Enjoys rugby and ekiden (long‑distance relay).
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Tomotaka Yonemori
Director
Born 1985, Aichi Prefecture. University of Tokyo graduate. Former consultant and investment fund professional. Specialty: excelling at exams.
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Shogen Ko
Director
Born 1983, Hiroshima Prefecture. Keio University graduate. Former consultant. Enjoys mountain climbing and camping.
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Yamato Arai
Development Lead
Born 1996, Kanagawa Prefecture. Waseda University graduate. Former certified public accountant, later consultant and entrepreneur
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Yutaro Usui
Business Planning & Operations
Born 1996, Tokyo. Joined ARTH in 2019 after part‑time work at Obi Hostel. Enjoys world travel and DIY.
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Takatoki Miura
Business Planning & Operations
Born 1992, Chiba. Formerly managed hotels and restaurants at Hotel Okura (Netherlands & Thailand) before joining ARTH. Enjoys soccer and golf.
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Shuntaro Okuma
Engineer
Born 1990, Saga Prefecture. Keio University graduate. After working at startups in energy and aerospace, became a freelance engineer. Responsible for developing the Off‑Grid HEMS for WEAZER. Interests include space and soccer; skilled in programming.
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Yusuke Iida
First‑Class Architect
Born 1987, Aichi Prefecture. Holds degrees from Kyoto University and the University of Tokyo graduate school. After working at Shigeru Ban Architects, established IIDA SPACE DESIGN. Joining the WEAZER project from 2025. Hobbies: DIY and listening to Ozaki Yutaka.
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Yuta Iba
Legal Counsel
Born 1985, Shiga Prefecture. Appointed legal adviser to the ARTH group in 2018. Enjoys DJing and listening to Yumi Matsutoya and King Gnu.