Mirion Technologies Executive and Leadership Team

November, 2026

Leadership Overview

Mirion Technologies has 6 executives leading key functions including strategy, technology, finance, human resources, regional operations, and specialized market development.

Committed to advancing safety through precision, Mirion Technologies delivers critical radiation detection and monitoring solutions to nuclear, healthcare, and defense sectors globally while ensuring rigorous regulatory compliance.

Leadership Roles at Mirion Technologies

  • President & Chief Executive Officer - Frederic Heems
  • Chief Financial Officer - Phillippe Hatron
  • Chief Financial Officer, Technologies (North America) - Chip VanTassell
  • President, Mirion Technologies Kk (Canberra) - Helene Lefebvre
  • Chief Technology Officer - Shelia Webb
  • Chief Human Resources Officer - Alison Ulrich
  • Frederic Heems - President & Chief Executive Officer

    Frederic Heems, the President & Chief Executive Officer at Mirion Technologies, directs the overarching strategic vision for the organization. Overseeing global operations across nuclear energy, healthcare, and defense sectors, the President & Chief Executive Officer ensures the delivery of high-precision radiation detection equipment. This leadership role involves driving long-term growth initiatives and maintaining market leadership through technological innovation. By aligning corporate objectives with the complex safety requirements of international clients, Frederic Heems directly impacts the operational efficiency of the entire enterprise. The President & Chief Executive Officer fosters a culture of excellence, ensuring that all business units adhere to strict regulatory standards while expanding the global footprint of the company. Through consistent focus on performance metrics and stakeholder value, Heems secures the competitive position of the firm within the specialized radiation monitoring industry.

    Phillippe Hatron - Chief Financial Officer

    Phillippe Hatron, the Chief Financial Officer at Mirion Technologies, manages the global fiscal strategy and capital allocation for the organization. Overseeing financial planning, reporting, and investor relations, the Chief Financial Officer ensures the long-term economic health of the company. This leadership role involves optimizing resource distribution to support research and development in radiation detection technologies. By maintaining rigorous internal controls and transparency, Phillippe Hatron supports the strategic expansion into new international markets. The Chief Financial Officer works closely with the executive team to evaluate investment opportunities and mitigate financial risks associated with complex manufacturing operations. Through disciplined fiscal management and accurate forecasting, Hatron provides the necessary stability for the firm to pursue its mission of delivering precision safety solutions to critical industries worldwide, ensuring sustainable growth and profitability.

    Chip VanTassell - Chief Financial Officer, Technologies (North America)

    Chip VanTassell, the Chief Financial Officer, Technologies (North America) at Mirion Technologies, manages the financial operations and regional profitability for the North American market. Overseeing regional budgeting, cost management, and local compliance, the Chief Financial Officer, Technologies (North America) ensures that the business unit maintains high operational efficiency. This leadership role involves analyzing regional market trends to support the deployment of radiation monitoring solutions across domestic healthcare and defense sectors. By providing granular financial insights, Chip VanTassell enables the regional leadership to make data-driven decisions regarding resource allocation and project execution. The Chief Financial Officer, Technologies (North America) works to streamline financial processes, ensuring that the North American division contributes effectively to the overall corporate objectives. Through diligent oversight of regional assets and expenditures, VanTassell secures the financial foundation necessary for sustained growth within the competitive North American landscape.

    Helene Lefebvre - President, Mirion Technologies Kk (Canberra)

    Helene Lefebvre, the President, Mirion Technologies Kk (Canberra) at Mirion Technologies, directs the operational strategy and market expansion for the Canberra-focused business unit. Overseeing regional product delivery and client relations, the President, Mirion Technologies Kk (Canberra) ensures that specialized radiation detection solutions meet the unique requirements of the local market. This leadership role involves managing the integration of advanced measurement technologies into regional nuclear and research facilities. By fostering strong partnerships with local stakeholders, Helene Lefebvre drives the adoption of high-precision safety equipment across the region. The President, Mirion Technologies Kk (Canberra) coordinates with global teams to ensure that regional operations align with the broader corporate mission of safety and regulatory compliance. Through focused leadership and operational oversight, Lefebvre enhances the market presence and service quality of the organization within this critical geographic area.

    Shelia Webb - Chief Technology Officer

    Shelia Webb, the Chief Technology Officer at Mirion Technologies, architects the research and development roadmap for advanced radiation measurement solutions. Overseeing the engineering teams, the Chief Technology Officer drives the creation of next-generation software and hardware designed for high-stakes environments. This leadership role involves integrating cutting-edge sensor technology into existing product lines to enhance safety and precision for healthcare and nuclear clients. By managing the technical lifecycle of complex monitoring systems, Shelia Webb ensures that the company remains at the forefront of industry innovation. The Chief Technology Officer collaborates with cross-functional departments to translate market needs into scalable technical solutions. Through rigorous testing and development protocols, Webb maintains the reliability of all equipment, ultimately supporting the mission of protecting personnel and assets in hazardous conditions across global markets.

    Alison Ulrich - Chief Human Resources Officer

    Alison Ulrich, the Chief Human Resources Officer at Mirion Technologies, directs the talent acquisition and organizational development strategies for the global workforce. Overseeing employee engagement, leadership training, and corporate culture initiatives, the Chief Human Resources Officer ensures that the company attracts and retains top-tier experts in radiation science and engineering. This leadership role involves aligning human capital with the strategic goals of the business to foster innovation in safety and precision. By implementing robust performance management systems, Alison Ulrich supports the professional growth of staff across diverse international regions. The Chief Human Resources Officer collaborates with other executives to build a high-performance environment that values safety, compliance, and technical excellence. Through effective workforce planning and organizational design, Ulrich strengthens the internal capabilities required to meet the evolving demands of the nuclear, healthcare, and defense sectors.
    Alison Ulrich

    Frequently Asked Questions Regarding Mirion Technologies Top Executives and Leadership Team

    Who leads Mirion Technologies?
    Mirion Technologies is led by Frederic Heems (President & Chief Executive Officer), along with executives such as Phillippe Hatron (Chief Financial Officer) and Chip VanTassell (Chief Financial Officer, Technologies (North America)).
    Who is part of Mirion Technologies’s executive team?
    The executive team of Mirion Technologies includes leaders such as Frederic Heems (President & Chief Executive Officer), Phillippe Hatron (Chief Financial Officer), Chip VanTassell (Chief Financial Officer, Technologies (North America)) and other senior executives.
    How many executives does Mirion Technologies have?
    Mirion Technologies has 6 executives leading key business areas.
    What roles are included in Mirion Technologies’s leadership team?
    The leadership team of Mirion Technologies includes roles such as President & Chief Executive Officer, Chief Financial Officer, Chief Financial Officer, Technologies (North America), President, Mirion Technologies Kk (Canberra), Chief Technology Officer.