Board of Directors and Auditors

(As of October 1, 2025)

Board of Directors

  • Kazumasa Hamada

    President & CEO
    Group CEO

    Biography

  • Goro Miyamae

    Director and Senior Managing Officer
    Chief Manager of Overseas Business 

    Biography

  • Hiroyuki Watanabe

    Director

    Biography

  • Keiji Yoshikawa

    Outside Director, Independent Director

    Biography

  • Asako Takada

    Outside Director, Independent Director

    Biography

  • Toshio Shimada

    Outside Director, Independent Director

    Biography

  •  

Auditors

  • Mari Ebisui

    Outside Auditor, Independent Director

    Biography

  • Takafumi Fujimoto

    Auditor

    Biography

  • Takeshi Miyazaki

    Auditor (Full-time)

    Biography

  • Hideyuki Mito

    Auditor (Full-time)

    Biography

 

Executive Officers

Managing Officers Noriaki Ikuta Chief Manager of Construction Work
Keiji Sagata Chief Manager of Group Corporate Development
Hiroki Miyamoto Chief Manager of Sales
Liuhang Chen COO of China business
Jouji Kitabayashi Chief Manager of Operating
Kiyonori Suzuki Chief Manager of Group Business Management
Executive Officers Kiichi Goto Chief Manager of Materials and Vending Machines Business
Eisuke Miura Chief Manager of East Japan
Tamotsu Yamamoto Chief Manager of West Japan
Daisuke Ninomiya Chief Manager of Group Human Resources Strategy
Keita Akita Chief Manager of IT
Hiroaki Ochi Chief Manager of Group Human Resources and General Affairs, Foreign Workforce Promotion