Ebara Executive and Leadership Team

August, 2026

Leadership Overview

Ebara has 4 executives leading key functions including human resources, risk management, infrastructure development, and precision machinery manufacturing.

Driven by a commitment to engineering excellence, Ebara delivers critical industrial machinery solutions that support global infrastructure, environmental systems, and advanced semiconductor manufacturing processes worldwide.

Leadership Roles at Ebara

  • Executive Officer President, Infrastructure Company - Masayuki Kai
  • Executive Officer President, Precision Machinery Company Division Executive, Equipment Division - Isao Nambu
  • Executive Officer Chief Human Resources Officer (In Charge of Human Resources and Safety and Labor Management and Human Resource Development) Division Executive, Human Resources Division - Akihiro Osaki
  • Executive Officer Chief Revenue Officer (In Charge of Risk Management and Legal and Internal Control and Environmental Health and Safety) - Toru Nakayama
  • Masayuki Kai - Executive Officer President, Infrastructure Company

    Masayuki Kai, the Executive Officer President, Infrastructure Company at Ebara, directs the design and manufacturing of critical pumps, turbines, and wastewater treatment systems. Overseeing the Infrastructure Company, Kai architects solutions that support essential public and industrial systems on a global scale. This leadership role involves coordinating with engineering teams to advance the efficiency of fluid machinery and environmental systems. By driving innovation in product development, the President ensures that the company meets the evolving demands of global infrastructure projects. Masayuki Kai directly impacts the market position of the organization by delivering high-quality, sustainable machinery that addresses complex environmental challenges. Through the strategic management of the infrastructure portfolio, Kai maintains the reputation of the company for technical excellence and reliability. This role requires constant collaboration with other executive leaders to ensure that infrastructure projects align with the broader corporate mission of supporting industrial operations worldwide.

    Isao Nambu - Executive Officer President, Precision Machinery Company Division Executive, Equipment Division

    Isao Nambu, the Executive Officer President, Precision Machinery Company Division Executive, Equipment Division at Ebara, manages the development of advanced manufacturing equipment used in semiconductor production. Overseeing the Precision Machinery Company, Nambu architects high-performance solutions that enable precision manufacturing across international technology sectors. This leadership role involves optimizing the Equipment Division to ensure the delivery of cutting-edge blowers, chillers, and vacuum systems. By focusing on technical innovation, the President supports the growth of the company within the highly competitive semiconductor market. Isao Nambu directly impacts the operational success of the organization by aligning equipment capabilities with the specific needs of advanced manufacturing clients. Through the strategic direction of the division, Nambu ensures that the company remains at the forefront of precision engineering. This role involves constant interaction with the board to refine product roadmaps and maintain the global leadership of the company in the precision machinery industry.

    Akihiro Osaki - Executive Officer Chief Human Resources Officer (In Charge of Human Resources and Safety and Labor Management and Human Resource Development) Division Executive, Human Resources Division

    Akihiro Osaki, the Executive Officer Chief Human Resources Officer (In Charge of Human Resources and Safety and Labor Management and Human Resource Development) Division Executive, Human Resources Division at Ebara, directs all global talent acquisition and workforce safety initiatives. Overseeing the Human Resources Division, Osaki architects comprehensive development programs that align technical expertise with the long-term engineering goals of the company. This leadership role involves managing labor relations across international markets to ensure operational continuity within the industrial machinery sector. By implementing rigorous safety protocols, the Chief Human Resources Officer maintains high standards for environmental health and workplace security. Akihiro Osaki directly impacts organizational culture by fostering innovation and professional growth among the global workforce. Through strategic oversight of human capital, Osaki secures the talent necessary to maintain the competitive edge of the company in the complex landscape of industrial manufacturing and precision machinery production.
    Toru Nakayama, the Executive Officer Chief Revenue Officer (In Charge of Risk Management and Legal and Internal Control and Environmental Health and Safety) at Ebara, manages the financial integrity and legal compliance of the global machinery portfolio. Overseeing risk management frameworks, Nakayama ensures that all internal controls align with international regulatory standards for industrial goods. This leadership role involves mitigating operational hazards while supporting the expansion of revenue streams across diverse global markets. By integrating environmental health and safety protocols into the core business model, the Chief Revenue Officer protects the long-term sustainability of the company. Toru Nakayama directly influences the financial trajectory of the organization through meticulous legal oversight and strategic risk assessment. Ultimately, Nakayama secures the stability of the company by balancing aggressive revenue growth with robust internal governance and strict adherence to safety mandates across all industrial operations.

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    Frequently Asked Questions Regarding Ebara Top Executives and Leadership Team

    Who leads Ebara?
    Ebara is led by Masayuki Kai (Executive Officer President, Infrastructure Company), along with executives such as Isao Nambu (Executive Officer President, Precision Machinery Company Division Executive, Equipment Division) and Akihiro Osaki (Executive Officer Chief Human Resources Officer (In Charge of Human Resources and Safety and Labor Management and Human Resource Development) Division Executive, Human Resources Division).
    Who is part of Ebara’s executive team?
    The executive team of Ebara includes leaders such as Masayuki Kai (Executive Officer President, Infrastructure Company), Isao Nambu (Executive Officer President, Precision Machinery Company Division Executive, Equipment Division), Akihiro Osaki (Executive Officer Chief Human Resources Officer (In Charge of Human Resources and Safety and Labor Management and Human Resource Development) Division Executive, Human Resources Division) and other senior executives.
    How many executives does Ebara have?
    Ebara has 4 executives leading key business areas.
    What roles are included in Ebara’s leadership team?
    The leadership team of Ebara includes roles such as Executive Officer President, Infrastructure Company, Executive Officer President, Precision Machinery Company Division Executive, Equipment Division, Executive Officer Chief Human Resources Officer (In Charge of Human Resources and Safety and Labor Management and Human Resource Development) Division Executive, Human Resources Division, Executive Officer Chief Revenue Officer (In Charge of Risk Management and Legal and Internal Control and Environmental Health and Safety).