OBAYASHI Executive and Leadership Team

November, 2026

Leadership Overview

OBAYASHI has 4 executives leading key functions including strategy, operations, regional management, and corporate governance.

Committed to excellence in global infrastructure, OBAYASHI delivers advanced construction, civil engineering, and real estate development solutions. This organization prioritizes sustainable urban growth and structural integrity across international markets.

Leadership Roles at OBAYASHI

  • Chief Executive Officer - Tamaki Horii
  • President and Chief Executive Officer - Kenji Hasuwa
  • Chief Operating Officer (Nz) - Peter Kell
  • Managing Officer - Toshihiko Murata
  • Tamaki Horii - Chief Executive Officer

    Tamaki Horii, the Chief Executive Officer at OBAYASHI, directs the overarching corporate strategy and long-term vision for the construction group. By overseeing global building construction and civil engineering initiatives, the Chief Executive Officer ensures alignment with international quality standards. This leadership role involves managing complex real estate development portfolios while maintaining fiscal discipline across all business units. Tamaki Horii drives innovation in sustainable building practices, positioning the firm as a leader in modern infrastructure. Through rigorous oversight of capital allocation and risk management, the Chief Executive Officer secures the financial health of the organization. By fostering collaboration with the Board, Horii maintains a focus on market expansion and operational excellence. Ultimately, Horii strengthens the competitive advantage of the firm within the global construction landscape, ensuring consistent delivery of high-value projects across diverse geographic regions.
    Tamaki Horii

    Kenji Hasuwa - President and Chief Executive Officer

    Kenji Hasuwa, the President and Chief Executive Officer at OBAYASHI, manages the daily execution of corporate objectives and organizational performance. Focusing on the integration of civil engineering expertise with real estate development, the President and Chief Executive Officer drives efficiency across all operational departments. This role requires constant coordination with senior leadership to optimize project delivery timelines and resource utilization. Kenji Hasuwa architects the internal processes that support large-scale infrastructure projects, ensuring compliance with safety and environmental regulations. By analyzing market trends, the President and Chief Executive Officer identifies new growth opportunities in the construction sector. Hasuwa maintains a strong emphasis on technological adoption to enhance productivity and project outcomes. Through strategic decision-making, Hasuwa supports the long-term stability of the firm, ensuring that all business activities align with the core mission of delivering superior construction solutions worldwide.

    Peter Kell - Chief Operating Officer (Nz)

    Peter Kell, the Chief Operating Officer (Nz) at OBAYASHI, directs all construction and engineering operations within the Oceania region. Overseeing local project management teams, the Chief Operating Officer (Nz) ensures that building standards meet both regional requirements and corporate quality benchmarks. This leadership role involves managing supply chain logistics and site safety protocols to maintain project momentum. Peter Kell drives the implementation of sustainable construction methodologies, tailoring global expertise to the specific needs of the local market. By coordinating with regional stakeholders and clients, the Chief Operating Officer (Nz) secures project pipelines and fosters long-term business relationships. Kell monitors operational performance metrics to identify areas for efficiency improvements and cost reduction. Through active management of regional resources, Kell supports the broader growth objectives of the firm, ensuring that the Oceania division contributes effectively to the overall success of the organization.

    Toshihiko Murata - Managing Officer

    Toshihiko Murata, the Managing Officer at OBAYASHI, oversees the execution of specialized civil engineering projects and corporate governance initiatives. By directing cross-functional teams, the Managing Officer ensures that complex infrastructure developments adhere to strict technical specifications and project timelines. This role involves managing internal compliance frameworks and supporting the strategic alignment of departmental goals with corporate objectives. Toshihiko Murata drives the development of advanced engineering solutions, focusing on structural innovation and project reliability. Through close collaboration with other senior leaders, the Managing Officer facilitates the smooth operation of large-scale construction ventures. Murata monitors project risks and implements mitigation strategies to protect the interests of the firm. By maintaining high standards of professional conduct and operational rigor, Murata contributes to the reputation of the company as a trusted partner in the global construction industry, ensuring consistent project delivery and long-term value creation.

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    Frequently Asked Questions Regarding OBAYASHI Top Executives and Leadership Team

    Who leads OBAYASHI?
    OBAYASHI is led by Tamaki Horii (Chief Executive Officer), along with executives such as Kenji Hasuwa (President and Chief Executive Officer) and Peter Kell (Chief Operating Officer (Nz)).
    Who is part of OBAYASHI’s executive team?
    The executive team of OBAYASHI includes leaders such as Tamaki Horii (Chief Executive Officer), Kenji Hasuwa (President and Chief Executive Officer), Peter Kell (Chief Operating Officer (Nz)) and other senior executives.
    How many executives does OBAYASHI have?
    OBAYASHI has 4 executives leading key business areas.
    What roles are included in OBAYASHI’s leadership team?
    The leadership team of OBAYASHI includes roles such as Chief Executive Officer, President and Chief Executive Officer, Chief Operating Officer (Nz), Managing Officer.