HORIBA Executive and Leadership Team

September, 2026

Leadership Overview

HORIBA has 6 executives leading key functions including corporate management, financial oversight, operational strategy, regional leadership, and technical service delivery.

Driven by a commitment to precision measurement, HORIBA advances global scientific and industrial progress through the development of sophisticated analytical instruments for environmental, medical, and automotive applications.

Leadership Roles at HORIBA

  • Chief Financial Officer & Head of Shared Services - Sanjay Dubey
  • President & Chief Operating Officer - Masayuki Adachi
  • Senior Corporate Officer, HORIBA Ltd & President, HORIBA (Japan & India) - Rajeev Gautam
  • President & Director - Antoni Budiman
  • Senior Corporate Officer & President (HORIBA Techno Service) - Hiroo Chihara
  • Managing Director - Samareh Seif
  • Sanjay Dubey - Chief Financial Officer & Head of Shared Services

    Sanjay Dubey, the Chief Financial Officer & Head of Shared Services at HORIBA, manages the fiscal health and administrative infrastructure of the organization. Overseeing global financial reporting and resource allocation, the Chief Financial Officer & Head of Shared Services ensures that capital investments support the development of precision analytical instruments. This leadership role involves streamlining shared services to improve operational efficiency across international markets. By optimizing the financial framework, Sanjay Dubey directly impacts the ability of the company to fund research and development initiatives. The Chief Financial Officer & Head of Shared Services collaborates with executive leadership to mitigate fiscal risks while pursuing growth opportunities in the automotive and scientific sectors. Through disciplined budget management and strategic planning, Dubey maintains the financial stability required for long-term success. The Chief Financial Officer & Head of Shared Services provides the necessary data-driven insights to guide corporate decision-making processes.

    Masayuki Adachi - President & Chief Operating Officer

    Masayuki Adachi, the President & Chief Operating Officer at HORIBA, executes the daily operational strategy and manufacturing workflows. Overseeing the production of precision instruments for exhaust gas and environmental analysis, the President & Chief Operating Officer ensures that quality control standards remain at the highest level. This leadership role involves managing the supply chain and optimizing factory output to meet global demand. By refining manufacturing processes, Masayuki Adachi drives efficiency and reduces waste across all production facilities. The President & Chief Operating Officer coordinates with engineering teams to integrate new technologies into the existing product portfolio. Through constant monitoring of operational performance, Adachi maintains the reputation of the company for reliability and accuracy. The President & Chief Operating Officer facilitates seamless collaboration between departments to ensure that every measurement tool meets the rigorous requirements of scientific and industrial clients worldwide.

    Rajeev Gautam - Senior Corporate Officer, HORIBA Ltd & President, HORIBA (Japan & India)

    Rajeev Gautam, the Senior Corporate Officer, HORIBA Ltd & President, HORIBA (Japan & India) at HORIBA, directs regional operations and strategic growth initiatives across key Asian markets. Overseeing the expansion of analytical instrument sales and service networks, the Senior Corporate Officer, HORIBA Ltd & President, HORIBA (Japan & India) ensures that local market needs inform global product development. This leadership role involves building strong relationships with industrial partners and government agencies to promote environmental and medical measurement solutions. By driving regional initiatives, Rajeev Gautam strengthens the presence of the company in high-growth sectors. The Senior Corporate Officer, HORIBA Ltd & President, HORIBA (Japan & India) coordinates with the board to align regional performance with corporate objectives. Through effective management of local teams, Gautam fosters a culture of innovation and technical excellence. The Senior Corporate Officer, HORIBA Ltd & President, HORIBA (Japan & India) secures long-term market share by delivering superior value to clients.

    Antoni Budiman - President & Director

    Antoni Budiman, the President & Director at HORIBA, provides governance and strategic direction to ensure the long-term viability of the organization. Overseeing the board-level decision-making process, the President & Director ensures that the company remains focused on its core mission of precision measurement and analysis. This leadership role involves evaluating market trends and identifying opportunities for diversification in scientific and medical applications. By guiding the strategic vision, Antoni Budiman drives the firm toward sustainable growth and technological leadership. The President & Director collaborates with other executives to maintain high ethical standards and corporate responsibility. Through careful oversight of organizational health, Budiman ensures that the company adapts to changing global economic conditions. The President & Director plays a vital role in shaping the future trajectory of the business by balancing immediate operational needs with future-oriented research and development investments.

    Hiroo Chihara - Senior Corporate Officer & President (HORIBA Techno Service)

    Hiroo Chihara, the Senior Corporate Officer & President (HORIBA Techno Service) at HORIBA, directs the lifecycle management and technical support services for all analytical instruments. Overseeing the maintenance, calibration, and repair networks, the Senior Corporate Officer & President (HORIBA Techno Service) ensures that clients receive continuous value from their measurement equipment. This leadership role involves training technical staff and implementing advanced diagnostic tools to improve service response times. By driving excellence in the service division, Hiroo Chihara directly impacts customer satisfaction and brand loyalty. The Senior Corporate Officer & President (HORIBA Techno Service) collaborates with the manufacturing teams to provide feedback on product durability and performance. Through the optimization of service delivery models, Chihara maintains the operational uptime of critical environmental and medical systems. The Senior Corporate Officer & President (HORIBA Techno Service) secures the reputation of the company by providing world-class technical support.
    Hiroo Chihara

    Samareh Seif - Managing Director

    Samareh Seif, the Managing Director at HORIBA, directs the overarching corporate strategy and organizational development. Overseeing the alignment of business units with the long-term vision of the company, the Managing Director ensures that precision measurement solutions meet evolving market demands. This leadership role involves coordinating cross-functional teams to maintain high standards in manufacturing and analytical performance. By fostering innovation across the global footprint, Samareh Seif drives the expansion of the company into new scientific sectors. The Managing Director monitors performance metrics to guarantee operational excellence and sustainable growth. Through rigorous oversight of internal processes, the Managing Director strengthens the market position of the firm. Ultimately, Seif secures the competitive advantage of the organization by prioritizing quality and technological advancement in every measurement instrument produced for environmental and medical applications.

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    Frequently Asked Questions Regarding HORIBA Top Executives and Leadership Team

    Who leads HORIBA?
    HORIBA is led by Sanjay Dubey (Chief Financial Officer & Head of Shared Services), along with executives such as Masayuki Adachi (President & Chief Operating Officer) and Rajeev Gautam (Senior Corporate Officer, HORIBA Ltd & President, HORIBA (Japan & India)).
    Who is part of HORIBA’s executive team?
    The executive team of HORIBA includes leaders such as Sanjay Dubey (Chief Financial Officer & Head of Shared Services), Masayuki Adachi (President & Chief Operating Officer), Rajeev Gautam (Senior Corporate Officer, HORIBA Ltd & President, HORIBA (Japan & India)) and other senior executives.
    How many executives does HORIBA have?
    HORIBA has 6 executives leading key business areas.
    What roles are included in HORIBA’s leadership team?
    The leadership team of HORIBA includes roles such as Chief Financial Officer & Head of Shared Services, President & Chief Operating Officer, Senior Corporate Officer, HORIBA Ltd & President, HORIBA (Japan & India), President & Director, Senior Corporate Officer & President (HORIBA Techno Service).