Omron Scientific Technologies Executive and Leadership Team

October, 2026

Leadership Overview

Omron Scientific Technologies has 10 executives leading key functions including strategy, operations, human resources, technology, finance, and industrial automation.

Focused on advancing industrial safety and automation, Omron Scientific Technologies delivers critical safeguarding solutions to protect workers and optimize machinery performance across global manufacturing sectors.

Leadership Roles at Omron Scientific Technologies

  • 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
  • President & Chief Executive Officer - Brian Leeson
  • Senior Managing Executive Officer, Chief Financial Officer and Senior General Manager, Global Strategy Headquarters - Koji Nitto
  • Chief Operating Officer - Thomas Mabrey
  • Managing Executive Officer & Company President, Industrial Automation Company - Motohiro Yamanishi
  • Senior Managing Executive Officer & Chief Human Resources Officer - Masahiko Tomita
  • Executive Vice President & Chief Technology Officer - Kiichiro Miyata
  • Senior General Manager, Production Division HQ, Electronic and Mechanical Components Company - Makoto Ota
  • Junta Tsujinaga - President & Chief Executive Officer

    Junta Tsujinaga, the President & Chief Executive Officer at Omron Scientific Technologies, directs the overarching corporate strategy for automation safeguarding products. Tsujinaga manages the integration of the Safety Products Group with broader industrial initiatives to ensure market leadership in North America. By aligning the Optical Sensor Division with evolving semiconductor and automotive manufacturing requirements, the President & Chief Executive Officer maintains a competitive edge in machine protection. This leadership role involves constant collaboration with the Board to refine long-term growth objectives and operational efficiency. Through rigorous oversight of product development cycles, Junta Tsujinaga ensures that safety innovations meet stringent industrial standards. The President & Chief Executive Officer drives the expansion of safety services, focusing on high-growth sectors like aerospace and food processing to solidify the company's footprint in complex industrial environments.
    Junta Tsujinaga

    Olivier Welker - President & Chief Executive Officer

    Olivier Welker, the President & Chief Executive Officer at Omron Scientific Technologies, oversees the strategic deployment of machine safety services across diverse industrial landscapes. Welker concentrates on the Machine Services Division, specifically managing the custom fabrication of guarding solutions and complex machinery installations. By optimizing service delivery models for metal fabrication and electronics clients, the President & Chief Executive Officer enhances operational reliability for end-users. This position requires close coordination with regional managers to scale service capabilities throughout North American markets. Olivier Welker prioritizes the development of specialized maintenance programs that extend the lifecycle of industrial equipment. As the President & Chief Executive Officer, Welker fosters partnerships with key stakeholders to ensure that safety assessments and installation projects align with the company's commitment to worker protection and high-performance manufacturing standards.

    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 and engineering support infrastructure. Tateishi directs the deployment of field service teams tasked with the installation and repair of sophisticated automation equipment. By streamlining the service workflow for the Machine Services Division, the Executive Officer, President and Chief Executive Officer, Omron Field Engineering Co., Ltd. ensures that industrial clients receive rapid, high-quality technical support. This role involves managing complex logistics for machinery relocation and custom fabrication projects across various manufacturing sectors. Taisuke Tateishi coordinates with internal engineering departments to translate field data into actionable product improvements. The Executive Officer, President and Chief Executive Officer, Omron Field Engineering Co., Ltd. maintains a focus on operational excellence, ensuring that all field engineering activities support the broader mission of industrial safety and equipment longevity.
    Taisuke Tateishi

    Brian Leeson - President & Chief Executive Officer

    Brian Leeson, the President & Chief Executive Officer at Omron Scientific Technologies, leads the commercial expansion and market penetration strategies for the company's safety product portfolio. Leeson focuses on identifying emerging opportunities within the consumer markets and packaging industries to drive revenue growth. By analyzing market trends and competitive dynamics, the President & Chief Executive Officer shapes the direction of the Optical Sensor Division to better serve evolving customer needs. This leadership role involves managing high-level client relationships and ensuring that the company's safety solutions remain at the forefront of industrial innovation. Brian Leeson oversees the alignment of sales and marketing efforts to maximize the impact of safety product launches. As the President & Chief Executive Officer, Leeson ensures that the organization maintains a robust pipeline of projects, supporting the company's goal of providing comprehensive safeguarding solutions to a wide array of global manufacturing partners.

    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, manages the financial health and long-term strategic planning of the organization. Nitto directs the budgeting, financial reporting, and capital allocation processes to support the company's growth initiatives. By overseeing the Global Strategy Headquarters, the Senior Managing Executive Officer, Chief Financial Officer and Senior General Manager, Global Strategy Headquarters ensures that business units are aligned with the overarching corporate vision. This role involves analyzing market opportunities and assessing financial risks associated with international expansion. Koji Nitto coordinates with the executive team to evaluate investment projects and optimize the company's financial structure. As the Senior Managing Executive Officer, Chief Financial Officer and Senior General Manager, Global Strategy Headquarters, Nitto provides the financial oversight necessary to sustain the company's leadership in the industrial automation and safety products market.
    Koji Nitto

    Thomas Mabrey - Chief Operating Officer

    Thomas Mabrey, the Chief Operating Officer at Omron Scientific Technologies, manages the day-to-day operational efficiency of the manufacturing and service divisions. Mabrey directs the internal processes that govern the production of optical sensors and the delivery of safety services. By optimizing supply chain logistics and manufacturing workflows, the Chief Operating Officer ensures that production targets are met with precision and quality. This role involves close collaboration with department heads to streamline cross-functional communication and resource allocation. Thomas Mabrey implements lean manufacturing principles to reduce waste and improve the speed of service delivery for industrial clients. As the Chief Operating Officer, Mabrey monitors key performance indicators to identify areas for operational improvement. Through the systematic management of production facilities and service teams, the Chief Operating Officer supports the company's ability to scale operations effectively while maintaining high standards of safety and reliability.

    Motohiro Yamanishi - Managing Executive Officer & Company President, Industrial Automation Company

    Motohiro Yamanishi, the Managing Executive Officer & Company President, Industrial Automation Company at Omron Scientific Technologies, leads the industrial automation business unit. Yamanishi directs the development and commercialization of automation solutions that integrate safety products with broader industrial control systems. By overseeing the Industrial Automation Company, the Managing Executive Officer & Company President, Industrial Automation Company ensures that the company provides comprehensive solutions for factory automation. This role involves managing the product portfolio and driving sales strategies across key industrial sectors. Motohiro Yamanishi collaborates with other executive leaders to ensure that automation products meet the evolving demands of the global manufacturing market. As the Managing Executive Officer & Company President, Industrial Automation Company, Yamanishi focuses on delivering value to customers through integrated safety and automation technologies, reinforcing the company's position as a leader in industrial machinery and equipment protection.

    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, architects the organizational culture and talent management strategies. Tomita directs recruitment, professional development, and performance management initiatives to ensure the company attracts and retains top-tier engineering and service talent. By aligning human capital strategies with the company's business objectives, the Senior Managing Executive Officer & Chief Human Resources Officer fosters an environment conducive to innovation in automation safety. This role involves managing global workforce policies and ensuring compliance with regional labor standards. Masahiko Tomita oversees the implementation of training programs that equip employees with the skills necessary to support advanced machinery services. As the Senior Managing Executive Officer & Chief Human Resources Officer, Tomita drives initiatives that promote employee engagement and organizational agility, ensuring that the workforce remains prepared to meet the challenges of the rapidly evolving industrial automation sector.
    Masahiko Tomita

    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 next-generation safety products. Miyata directs the engineering teams responsible for advancing optical sensor technology and industrial robot protection systems. By overseeing the technical roadmap, the Executive Vice President & Chief Technology Officer ensures that the company remains a pioneer in automation safeguarding. This role involves collaborating with the product management teams to integrate cutting-edge technology into practical, market-ready solutions. Kiichiro Miyata manages the intellectual property portfolio and fosters partnerships with academic and research institutions to stay ahead of technological shifts. As the Executive Vice President & Chief Technology Officer, Miyata drives the development of innovative features that enhance the safety and efficiency of industrial machinery. Through technical leadership, the Executive Vice President & Chief Technology Officer supports the company's mission to provide superior protection solutions for complex manufacturing environments.
    Kiichiro Miyata

    Makoto Ota - Senior General Manager, Production Division HQ, Electronic and Mechanical Components Company

    Makoto Ota, the Senior General Manager, Production Division HQ, Electronic and Mechanical Components Company at Omron Scientific Technologies, oversees the manufacturing operations for critical electronic and mechanical components. Ota directs the production facilities to ensure high-quality output and adherence to safety standards. By managing the production division, the Senior General Manager, Production Division HQ, Electronic and Mechanical Components Company optimizes manufacturing processes to support the company's broader automation product line. This role involves coordinating with procurement and engineering teams to ensure the availability of high-quality materials and components. Makoto Ota implements advanced manufacturing techniques to improve production efficiency and reduce lead times for industrial customers. As the Senior General Manager, Production Division HQ, Electronic and Mechanical Components Company, Ota ensures that the production division remains responsive to the needs of the automotive, electronics, and food processing industries, contributing to the company's overall operational success.

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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 Junta Tsujinaga (President & Chief Executive Officer), along with executives such as Olivier Welker (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 Junta Tsujinaga (President & Chief Executive Officer), Olivier Welker (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 President & Chief Executive Officer, President & Chief Executive Officer, Executive Officer, President and Chief Executive Officer, Omron Field Engineering Co., Ltd., President & Chief Executive Officer, Senior Managing Executive Officer, Chief Financial Officer and Senior General Manager, Global Strategy Headquarters.