Shimizu Executive and Leadership Team

June, 2026

Leadership Overview

Shimizu has 10 executives leading key functions including strategy, revenue generation, operations, and administration.

Driven by a commitment to innovation, Shimizu is dedicated to advancing the construction industry through expert civil engineering and architecture, shaping global infrastructure with precision and foresight.

Leadership Roles at Shimizu

  • Chief Executive Officer - Ikuko Shimizu
  • President - Haruhiko Washimi
  • President Office - Khemmathat Ballawanich
  • President - Hitoshi Ohtsuji
  • Chief Revenue Officer - Brian Kim
  • Executive VP & Director, Information Management & Productivity Improvement (Building Construction Headquarters) - Toshiyuki Imaki
  • Executive VP & Director, Administrative Functions, SDGs & ESG Promotion (Corporate Ethics Office) - Kimio Handa
  • Managing Officer - Shinichi Takiguchi
  • Representative Director and Chairman - Kazuyuki Inoue
  • Managing Officer - Takahisa Shirota
  • Ikuko Shimizu - Chief Executive Officer

    Ikuko Shimizu, the Chief Executive Officer at Shimizu, directs the overarching corporate strategy and vision. This leadership role involves guiding the company's expansion in both civil engineering and architectural sectors, ensuring alignment with market demands and technological advancements. Overseeing global operations, the Chief Executive Officer drives innovation in construction methodologies and project management. By fostering cross-functional collaboration, Ikuko Shimizu ensures that all divisions operate cohesively to achieve ambitious growth targets. This executive's focus remains on enhancing Shimizu's market position through sustainable practices and cutting-edge building solutions, ultimately securing long-term profitability and industry leadership.

    Haruhiko Washimi - President

    Haruhiko Washimi, the President at Shimizu, leads strategic initiatives and operational oversight for significant business segments. This executive role focuses on driving growth and innovation within the company's core construction activities, including advanced architectural designs and complex civil engineering projects. Overseeing key divisions, the President ensures seamless integration of services and effective resource deployment across various projects. By championing new technologies and sustainable building practices, Haruhiko Washimi enhances Shimizu's competitive advantage. This leadership position involves close collaboration with other senior executives to refine business strategies and expand the company's global footprint, reinforcing Shimizu's commitment to excellence.
    Haruhiko Washimi

    Khemmathat Ballawanich - President Office

    Khemmathat Ballawanich, the President Office at Shimizu, provides essential support and strategic coordination for the President's office. This role involves managing key administrative functions and facilitating the smooth execution of presidential directives across various departments. Overseeing critical operational tasks, the President Office ensures efficient communication and alignment between the President and other executive leadership. By streamlining administrative processes and supporting strategic initiatives, Khemmathat Ballawanich contributes to the overall effectiveness of Shimizu's leadership team. This position is vital for maintaining operational continuity and supporting the company's ambitious goals in civil engineering and architecture.

    Hitoshi Ohtsuji - President

    Hitoshi Ohtsuji, the President at Shimizu, directs significant operational segments and strategic growth initiatives within the company. This executive leadership role is focused on advancing Shimizu's capabilities in both civil engineering and architecture, ensuring high standards of project execution and client satisfaction. Overseeing key business units, the President drives the implementation of innovative construction techniques and sustainable practices. By fostering a culture of excellence and collaboration, Hitoshi Ohtsuji enhances the company's market competitiveness. This leadership position is crucial for navigating complex project landscapes and expanding Shimizu's global presence, reinforcing its reputation for quality and reliability.
    Hitoshi Ohtsuji

    Brian Kim - Chief Revenue Officer

    Brian Kim, the Chief Revenue Officer at Shimizu, spearheads all revenue-generating activities across the organization. This critical function encompasses developing and executing strategies to maximize sales performance and expand market penetration in the civil engineering and architecture domains. Overseeing global sales teams, the Chief Revenue Officer ensures the consistent achievement of revenue targets and cultivates strong client relationships. By optimizing the sales funnel and identifying new business opportunities, Brian Kim directly contributes to Shimizu's financial growth. This leadership position involves close collaboration with marketing and operations to deliver integrated solutions that meet client needs and drive repeat business, solidifying Shimizu's competitive edge.

    Toshiyuki Imaki - Executive VP & Director, Information Management & Productivity Improvement (Building Construction Headquarters)

    Toshiyuki Imaki, the Executive VP & Director, Information Management & Productivity Improvement (Building Construction Headquarters) at Shimizu, drives digital transformation and operational efficiency within the building construction division. This executive role focuses on implementing advanced information management systems and productivity enhancement strategies to streamline project delivery. Overseeing the integration of new technologies, Toshiyuki Imaki ensures that building construction projects benefit from cutting-edge digital tools and methodologies. By optimizing workflows and data utilization, this leader directly contributes to improved project outcomes and cost efficiencies. The focus remains on leveraging information technology to elevate Shimizu's capabilities in delivering complex architectural and construction solutions.

    Kimio Handa - Executive VP & Director, Administrative Functions, SDGs & ESG Promotion (Corporate Ethics Office)

    Kimio Handa, the Executive VP & Director, Administrative Functions, SDGs & ESG Promotion (Corporate Ethics Office) at Shimizu, leads the company's administrative operations and champions its commitment to Sustainable Development Goals (SDGs) and Environmental, Social, and Governance (ESG) principles. This executive role is pivotal in integrating ethical practices and sustainability into Shimizu's core business strategy, particularly within its civil engineering and architectural endeavors. Overseeing administrative functions, Kimio Handa ensures operational efficiency and compliance across the organization. By driving SDGs and ESG initiatives, this leader reinforces Shimizu's dedication to responsible corporate citizenship and long-term value creation, enhancing its reputation as a forward-thinking construction leader.

    Shinichi Takiguchi - Managing Officer

    Shinichi Takiguchi, the Managing Officer at Shimizu, manages key operational aspects of the company's extensive construction projects. This role involves overseeing the execution of large-scale civil engineering and architectural endeavors, ensuring adherence to stringent quality and safety standards. Directing project teams, the Managing Officer coordinates resource allocation and manages timelines to deliver complex projects efficiently. By implementing best practices in construction management, Shinichi Takiguchi enhances operational efficiency and mitigates project risks. This executive's responsibilities extend to fostering a culture of continuous improvement within project delivery, directly impacting Shimizu's reputation for reliability and excellence in the global construction market.

    Kazuyuki Inoue - Representative Director and Chairman

    Kazuyuki Inoue, the Representative Director and Chairman at Shimizu, provides high-level governance and strategic direction for the corporation. This pivotal role involves setting the long-term vision and ensuring the company's adherence to ethical business practices and corporate responsibility standards. Guiding the board of directors, the Chairman oversees major strategic decisions and ensures robust corporate governance frameworks are maintained. By championing sustainable development and innovation, Kazuyuki Inoue reinforces Shimizu's commitment to societal contribution through its civil engineering and architectural projects. This leadership position is instrumental in shaping the company's legacy and ensuring its continued success in the global construction landscape.

    Takahisa Shirota - Managing Officer

    Takahisa Shirota, the Managing Officer at Shimizu, oversees critical aspects of the company's financial operations and resource management. This executive role is dedicated to ensuring fiscal responsibility and optimizing financial performance across all construction projects. Directing financial planning and analysis, the Managing Officer provides strategic insights to support investment decisions and cost control measures. By implementing robust financial controls, Takahisa Shirota safeguards the company's assets and enhances profitability. This leadership position is essential for maintaining financial stability and supporting Shimizu's long-term growth objectives in the competitive global construction market.

    Explore Leadership Teams in Construction Management

    Frequently Asked Questions Regarding Shimizu Top Executives and Leadership Team

    Who leads Shimizu?
    Shimizu is led by Ikuko Shimizu (Chief Executive Officer), along with executives such as Haruhiko Washimi (President) and Khemmathat Ballawanich (President Office).
    Who is part of Shimizu’s executive team?
    The executive team of Shimizu includes leaders such as Ikuko Shimizu (Chief Executive Officer), Haruhiko Washimi (President), Khemmathat Ballawanich (President Office) and other senior executives.
    How many executives does Shimizu have?
    Shimizu has 10 executives leading key business areas.
    What roles are included in Shimizu’s leadership team?
    The leadership team of Shimizu includes roles such as Chief Executive Officer, President, President Office, President, Chief Revenue Officer.