Omron Scientific Technologies Executive and Leadership Team

September, 2026

Leadership Overview

Omron Scientific Technologies has 10 executives leading key functions including corporate strategy, financial management, operational oversight, and technological innovation.

Focused on advancing industrial safety through automation, Omron Scientific Technologies delivers critical safeguarding solutions to protect workers across global manufacturing sectors while maintaining rigorous standards for machinery performance and operational efficiency.

Leadership Roles at Omron Scientific Technologies

  • Chief Executive Officer - Robert Bucher
  • President and Chief Executive Officer - Masaki Arao
  • President & Chief Executive Officer - Brian Leeson
  • President & Chief Executive Officer - Junta Tsujinaga
  • President & Chief Executive Officer - Olivier Welker
  • Executive Officer, President and Chief Executive Officer, Omron Field Engineering Co., Ltd. - Taisuke Tateishi
  • Chief Financial Officer - Hiroshi Fujiwara
  • Senior Managing Executive Officer, Chief Financial Officer and Senior General Manager, Global Strategy Headquarters - Koji Nitto
  • Chief Operating Officer - Thomas Mabrey
  • Executive Vice President & Chief Technology Officer - Kiichiro Miyata
  • Robert Bucher - Chief Executive Officer

    Robert Bucher, the Chief Executive Officer at Omron Scientific Technologies, directs the overarching strategic vision for automation safeguarding products. Bucher prioritizes the expansion of the Safety Products Group to ensure robust protection for workers operating industrial robots and automated equipment. By aligning the Optical Sensor Division with evolving market demands in the semiconductor and automotive sectors, the Chief Executive Officer drives long-term growth and competitive positioning. This leadership role involves constant evaluation of North American market trends to maintain the company's status as a premier provider of safety technology. Through the implementation of high-level operational goals, Robert Bucher secures the necessary resources for product development and market penetration. Ultimately, Bucher fosters a culture of safety excellence that permeates every facet of the organization, ensuring that all machinery solutions meet the highest industry standards for reliability and performance.

    Masaki Arao - President and Chief Executive Officer

    Masaki Arao, the President and Chief Executive Officer at Omron Scientific Technologies, manages the integration of safety services across diverse industrial landscapes. Arao oversees the Machine Services Division, focusing on the custom fabrication of guarding solutions and complex machinery installations. By coordinating with the aerospace and food processing sectors, the President and Chief Executive Officer ensures that service offerings remain tailored to specific client requirements. This position requires meticulous attention to the repair and relocation of fabricating machinery, which Masaki Arao monitors to guarantee operational continuity for customers. Through strategic oversight of service delivery, Arao optimizes the efficiency of safety assessments and installation projects. The President and Chief Executive Officer maintains a focus on scaling service capabilities to meet the demands of the North American market, thereby reinforcing the company's reputation for technical expertise and reliable support in critical industrial environments.

    Brian Leeson - President & Chief Executive Officer

    Brian Leeson, the President & Chief Executive Officer at Omron Scientific Technologies, architects the strategic framework for the company's industrial safety portfolio. Leeson focuses on the intersection of optical sensor technology and machine safety, ensuring that product development aligns with the needs of electronics manufacturing and consumer markets. By directing cross-functional teams, the President & Chief Executive Officer facilitates the deployment of advanced safeguarding products that mitigate risks in high-speed production environments. Brian Leeson evaluates market opportunities to expand the reach of the Safety Products Group, emphasizing innovation in sensor accuracy and reliability. This leadership role involves managing complex stakeholder relationships and ensuring that the company's technological advancements remain at the forefront of the industry. Through the execution of targeted growth initiatives, Leeson strengthens the market presence of the organization, providing essential safety infrastructure to a wide array of global manufacturing partners.

    Junta Tsujinaga - President & Chief Executive Officer

    Junta Tsujinaga, the President & Chief Executive Officer at Omron Scientific Technologies, leads the strategic initiatives aimed at enhancing industrial automation safety. Tsujinaga concentrates on the development of sophisticated optical sensors that protect personnel working alongside industrial robots. By analyzing the requirements of the packaging and electronics sectors, the President & Chief Executive Officer ensures that product designs address the most pressing safety challenges in modern manufacturing. Junta Tsujinaga oversees the alignment of research and development efforts with the company's broader mission of protecting workers through technological innovation. This role involves driving operational excellence across the organization to maintain high quality standards in all safety products. Through the implementation of forward-thinking strategies, Tsujinaga secures the company's position as a leader in the North American automation market, consistently delivering solutions that improve safety outcomes and operational efficiency for diverse industrial clients.
    Junta Tsujinaga

    Olivier Welker - President & Chief Executive Officer

    Olivier Welker, the President & Chief Executive Officer at Omron Scientific Technologies, directs the strategic expansion of safety services and product integration. Welker focuses on the Machine Services Division, ensuring that the installation and maintenance of safety equipment meet the rigorous demands of the metal fabrication and building materials industries. By overseeing the design and custom fabrication of guarding solutions, the President & Chief Executive Officer provides essential support for complex machinery environments. Olivier Welker manages the operational scale of service delivery, ensuring that the company remains responsive to the needs of customers across North America. This leadership role involves optimizing service workflows to improve the speed and accuracy of machine safety assessments. Through the execution of strategic service initiatives, Welker enhances the value proposition of the company, ensuring that clients receive comprehensive support for the entire lifecycle of their industrial equipment.

    Taisuke Tateishi - Executive Officer, President and Chief Executive Officer, Omron Field Engineering Co., Ltd.

    Taisuke Tateishi, the Executive Officer, President and Chief Executive Officer, Omron Field Engineering Co., Ltd. at Omron Scientific Technologies, manages the technical field operations that support industrial safety. Tateishi oversees the deployment of engineering teams responsible for the installation and service of complex fabricating machinery. By focusing on the practical application of safety standards in the field, the Executive Officer, President and Chief Executive Officer, Omron Field Engineering Co., Ltd. ensures that all equipment installations adhere to strict safety protocols. Taisuke Tateishi coordinates with the Machine Services Division to provide specialized support for aerospace and automotive clients, ensuring that field operations remain efficient and effective. This role involves driving technical excellence and maintaining high service standards across all regional operations. Through the management of field engineering resources, Tateishi directly impacts the company's ability to deliver reliable, high-quality safety solutions to a broad range of industrial customers.
    Taisuke Tateishi

    Hiroshi Fujiwara - Chief Financial Officer

    Hiroshi Fujiwara, the Chief Financial Officer at Omron Scientific Technologies, manages the financial health and fiscal strategy of the organization. Fujiwara oversees all budgetary planning, financial reporting, and capital allocation to support the growth of the Safety Products Group and the Machine Services Division. By analyzing revenue streams from the semiconductor and automotive markets, the Chief Financial Officer ensures that the company maintains a strong balance sheet while investing in critical R&D initiatives. Hiroshi Fujiwara collaborates with other executive leaders to align financial goals with the company's long-term mission of industrial safety. This role involves monitoring economic trends and managing financial risks to ensure the stability of operations across North America. Through the implementation of rigorous financial controls, Fujiwara supports the company's ability to innovate and deliver high-value safety products, ultimately driving sustainable growth and long-term profitability for the entire organization.

    Koji Nitto - Senior Managing Executive Officer, Chief Financial Officer and Senior General Manager, Global Strategy Headquarters

    Koji Nitto, the Senior Managing Executive Officer, Chief Financial Officer and Senior General Manager, Global Strategy Headquarters at Omron Scientific Technologies, architects the global strategic direction and financial framework. Nitto oversees the alignment of international operations with the company's core mission of industrial safety. By managing the Global Strategy Headquarters, the Senior Managing Executive Officer, Chief Financial Officer and Senior General Manager, Global Strategy Headquarters ensures that the company's product portfolio remains competitive in the global semiconductor and automotive markets. Koji Nitto directs financial planning and resource allocation to support long-term growth initiatives across all regions. This role involves analyzing global market trends and identifying opportunities for expansion in the safety products sector. Through the execution of strategic financial policies, Nitto strengthens the company's global presence, ensuring that the organization remains a leader in providing innovative safety solutions to industrial clients worldwide.
    Koji Nitto

    Thomas Mabrey - Chief Operating Officer

    Thomas Mabrey, the Chief Operating Officer at Omron Scientific Technologies, directs the daily operational activities of the company's manufacturing and service divisions. Mabrey focuses on streamlining the production of optical sensors and the delivery of machine safety services to ensure maximum efficiency. By overseeing the supply chain and manufacturing processes, the Chief Operating Officer ensures that the company meets the high demand for safety products in the electronics and packaging sectors. Thomas Mabrey coordinates with the leadership team to optimize operational workflows and improve the quality of service delivery across North America. This role involves managing the logistics of machinery installations and ensuring that all fabrication projects are completed on time and within budget. Through the execution of operational strategies, Mabrey enhances the company's ability to provide reliable safety solutions, directly contributing to the overall success and market impact of the organization.

    Kiichiro Miyata - Executive Vice President & Chief Technology Officer

    Kiichiro Miyata, the Executive Vice President & Chief Technology Officer at Omron Scientific Technologies, leads the research and development efforts for the company's safety technology portfolio. Miyata focuses on the innovation of optical sensors and automated safeguarding systems that protect workers in high-risk industrial environments. By directing the engineering teams, the Executive Vice President & Chief Technology Officer ensures that the company's products incorporate the latest advancements in automation and robotics. Kiichiro Miyata collaborates with the Machine Services Division to integrate new technologies into custom guarding solutions for the aerospace and food processing industries. This role involves driving the technical roadmap to maintain the company's competitive edge in the North American market. Through the implementation of cutting-edge research initiatives, Miyata ensures that the organization continues to deliver high-performance safety products that meet the evolving needs of modern manufacturing and industrial automation.
    Kiichiro Miyata

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    Frequently Asked Questions Regarding Omron Scientific Technologies Top Executives and Leadership Team

    Who leads Omron Scientific Technologies?
    Omron Scientific Technologies is led by Robert Bucher (Chief Executive Officer), along with executives such as Masaki Arao (President and Chief Executive Officer) and Brian Leeson (President & Chief Executive Officer).
    Who is part of Omron Scientific Technologies’s executive team?
    The executive team of Omron Scientific Technologies includes leaders such as Robert Bucher (Chief Executive Officer), Masaki Arao (President and Chief Executive Officer), Brian Leeson (President & Chief Executive Officer) and other senior executives.
    How many executives does Omron Scientific Technologies have?
    Omron Scientific Technologies has 10 executives leading key business areas.
    What roles are included in Omron Scientific Technologies’s leadership team?
    The leadership team of Omron Scientific Technologies includes roles such as Chief Executive Officer, President and Chief Executive Officer, President & Chief Executive Officer, President & Chief Executive Officer, President & Chief Executive Officer.