Omron Scientific Technologies Executive and Leadership Team

August, 2026

Leadership Overview

Omron Scientific Technologies has 10 executives leading key functions including strategy, operations, financial management, technology development, and human resources.

Committed to advancing industrial safety through automation, Omron Scientific Technologies delivers innovative safeguarding solutions that protect workers and optimize manufacturing efficiency across global markets.

Leadership Roles at Omron Scientific Technologies

  • Chief Executive Officer - Ben Za
  • President & Chief Executive Officer - Brian Leeson
  • Executive Officer, President and Chief Executive Officer, Omron Field Engineering Co., Ltd. - Taisuke Tateishi
  • President & Chief Executive Officer - Junta Tsujinaga
  • President & Chief Executive Officer - Olivier Welker
  • Senior Managing Executive Officer, Chief Financial Officer and Senior General Manager, Global Strategy Headquarters - Koji Nitto
  • Chief Operating Officer - Thomas Mabrey
  • President & Director - Junius Tampubolon
  • Executive Vice President & Chief Technology Officer - Kiichiro Miyata
  • Senior Managing Executive Officer & Chief Human Resources Officer - Masahiko Tomita
  • Ben Za - Chief Executive Officer

    Ben Za, the Chief Executive Officer at Omron Scientific Technologies, directs the overarching strategic vision for industrial automation safety. Za architects long-term growth initiatives by aligning the Safety Products Group with evolving market demands in the semiconductor and automotive sectors. By prioritizing the development of advanced optical sensors, the Chief Executive Officer ensures that machinery remains secure for operators worldwide. This leadership role involves constant collaboration with the Board to refine corporate governance and expand the North American footprint. Ben Za maintains a rigorous focus on operational excellence, ensuring that every product line meets stringent safety standards. Through the implementation of high-level business strategies, the Chief Executive Officer drives the organization toward sustained market leadership. Ultimately, Za secures the competitive position of the company by fostering a culture of innovation and precision in all manufacturing safety applications.

    Brian Leeson - President & Chief Executive Officer

    Brian Leeson, the President & Chief Executive Officer at Omron Scientific Technologies, manages the daily execution of corporate objectives across the Safety Products Group. Leeson oversees the integration of automated equipment protection systems, ensuring that industrial robots operate within safe parameters for diverse manufacturing clients. By coordinating cross-functional teams, the President & Chief Executive Officer optimizes the delivery of safety services to the electronics and packaging industries. Brian Leeson evaluates performance metrics to maintain high standards of quality control and service reliability. This executive position requires constant engagement with operational managers to streamline production workflows and enhance product efficacy. Through the application of technical expertise, the President & Chief Executive Officer strengthens the market presence of the company. Leeson drives organizational efficiency by refining internal processes and ensuring that all safety solutions align with the specific needs of the North American industrial landscape.

    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, directs the specialized field services division. Tateishi architects comprehensive machine safety assessments and custom fabrication solutions for complex industrial environments. By overseeing the installation and relocation of fabricating machinery, the Executive Officer, President and Chief Executive Officer, Omron Field Engineering Co., Ltd. ensures that clients in the aerospace and food processing sectors maintain peak operational safety. Taisuke Tateishi manages the technical teams responsible for the repair and maintenance of critical industrial assets. This leadership role involves bridging the gap between engineering design and on-site implementation to provide seamless safety integration. Through the deployment of expert field services, the Executive Officer, President and Chief Executive Officer, Omron Field Engineering Co., Ltd. enhances the overall value proposition of the company. Tateishi drives service excellence by maintaining rigorous standards for all machinery installation projects.
    Taisuke Tateishi

    Junta Tsujinaga - President & Chief Executive Officer

    Junta Tsujinaga, the President & Chief Executive Officer at Omron Scientific Technologies, leads the strategic expansion of automation technologies into emerging industrial markets. Tsujinaga architects initiatives that focus on the integration of safety products within high-speed manufacturing lines. By overseeing the development of next-generation optical sensors, the President & Chief Executive Officer ensures that the company remains at the forefront of industrial safety innovation. Junta Tsujinaga coordinates with global stakeholders to align product development with the specific requirements of the electronics and building materials industries. This leadership role involves managing complex supply chains and ensuring that manufacturing processes meet international safety benchmarks. Through the application of advanced strategic planning, the President & Chief Executive Officer drives revenue growth and market penetration. Tsujinaga secures the future of the organization by fostering technological advancements that address the most pressing safety challenges faced by modern industrial facilities.
    Junta Tsujinaga

    Olivier Welker - President & Chief Executive Officer

    Olivier Welker, the President & Chief Executive Officer at Omron Scientific Technologies, directs the operational strategy for the Machine Services Division. Welker architects programs that focus on the custom fabrication of guarding solutions for heavy industrial machinery. By overseeing the service and maintenance of fabricating equipment, the President & Chief Executive Officer ensures that clients in the metal fabrication and automotive sectors achieve maximum uptime. Olivier Welker manages the deployment of safety services across diverse geographic regions, ensuring consistent quality and compliance. This leadership role involves optimizing the service delivery model to improve customer satisfaction and operational efficiency. Through the implementation of targeted service strategies, the President & Chief Executive Officer drives the growth of the Machine Services Division. Welker secures long-term partnerships by providing reliable, high-quality safety solutions that protect workers and enhance the productivity of industrial operations throughout the North American market.

    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, directs the financial health and global strategic planning of the organization. Nitto architects fiscal policies that support the research and development of advanced safety products. By overseeing the allocation of capital resources, the Senior Managing Executive Officer, Chief Financial Officer and Senior General Manager, Global Strategy Headquarters ensures that the company maintains a strong balance sheet while pursuing growth in the automotive and consumer markets. Koji Nitto manages the global strategy headquarters to align regional operations with the overarching corporate mission. This leadership role involves rigorous financial analysis and risk management to support sustainable expansion. Through the application of strategic financial oversight, the Senior Managing Executive Officer, Chief Financial Officer and Senior General Manager, Global Strategy Headquarters drives long-term value creation for the company and its stakeholders.
    Koji Nitto

    Thomas Mabrey - Chief Operating Officer

    Thomas Mabrey, the Chief Operating Officer at Omron Scientific Technologies, manages the internal infrastructure and production workflows of the Safety Products Group. Mabrey architects scalable operational processes that support the manufacturing of optical sensors and safety equipment. By overseeing the daily activities of the production facilities, the Chief Operating Officer ensures that all output meets the rigorous quality standards required for industrial safety. Thomas Mabrey coordinates with the executive team to align operational capacity with market demand across the semiconductor and electronics sectors. This leadership role involves streamlining logistics and supply chain management to reduce lead times and improve efficiency. Through the application of lean manufacturing principles, the Chief Operating Officer drives cost-effectiveness and operational agility. Mabrey secures the reliability of the supply chain by implementing robust quality management systems that support the overall mission of protecting workers around automated equipment.

    Junius Tampubolon - President & Director

    Junius Tampubolon, the President & Director at Omron Scientific Technologies, oversees the governance and strategic direction of the regional operations. Tampubolon architects initiatives that focus on expanding the reach of safety services within the metal fabrication and aerospace industries. By directing the board-level activities, the President & Director ensures that the company adheres to the highest standards of corporate governance and operational integrity. Junius Tampubolon manages the relationships with key industrial partners to facilitate the adoption of safety solutions in complex manufacturing environments. This leadership role involves evaluating market trends and adjusting the strategic focus to maintain a competitive edge. Through the application of strong leadership and oversight, the President & Director drives the growth and stability of the regional business units. Tampubolon secures the market position of the company by ensuring that all operations align with the core mission of providing world-class industrial safety products and services.

    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 of cutting-edge automation safeguarding products. Miyata architects the technical roadmap for the Optical Sensor Division, focusing on the integration of advanced sensing technologies into industrial robots. By overseeing the engineering teams, the Executive Vice President & Chief Technology Officer ensures that all products provide superior protection for workers in high-risk manufacturing environments. Kiichiro Miyata collaborates with other C-suite leaders to align technological innovation with the evolving needs of the semiconductor and electronics industries. This leadership role involves managing the intellectual property portfolio and driving the development of proprietary safety solutions. Through the application of deep technical expertise, the Executive Vice President & Chief Technology Officer drives the competitive advantage of the company. Miyata secures the future of the organization by fostering a culture of continuous technological improvement and innovation.
    Kiichiro Miyata

    Masahiko Tomita - Senior Managing Executive Officer & Chief Human Resources Officer

    Masahiko Tomita, the Senior Managing Executive Officer & Chief Human Resources Officer at Omron Scientific Technologies, directs the talent management and organizational development strategies. Tomita architects programs that foster a high-performance culture, ensuring that the workforce possesses the technical skills required to support the Safety Products Group. By overseeing recruitment, training, and employee engagement, the Senior Managing Executive Officer & Chief Human Resources Officer ensures that the company attracts and retains top talent in the competitive industrial automation sector. Masahiko Tomita collaborates with the executive team to align human capital strategies with the broader business goals of the organization. This leadership role involves managing organizational change and promoting diversity and inclusion across all global operations. Through the application of strategic human resources management, the Senior Managing Executive Officer & Chief Human Resources Officer drives employee productivity and organizational health. Tomita secures the long-term success of the company by building a resilient and capable workforce.
    Masahiko Tomita

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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 Ben Za (Chief Executive Officer), along with executives such as Brian Leeson (President & Chief Executive Officer) and Taisuke Tateishi (Executive Officer, President and Chief Executive Officer, Omron Field Engineering Co., Ltd.).
    Who is part of Omron Scientific Technologies’s executive team?
    The executive team of Omron Scientific Technologies includes leaders such as Ben Za (Chief Executive Officer), Brian Leeson (President & Chief Executive Officer), Taisuke Tateishi (Executive Officer, President and Chief Executive Officer, Omron Field Engineering Co., Ltd.) 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 & Chief Executive Officer, Executive Officer, President and Chief Executive Officer, Omron Field Engineering Co., Ltd., President & Chief Executive Officer, President & Chief Executive Officer.