Leadership Overview
Canadian Nuclear Laboratories has 6 executives leading key functions including strategy, operational oversight, administrative coordination, digital infrastructure, and financial management.
Focused on advancing nuclear science and technology, Canadian Nuclear Laboratories delivers innovative solutions through physics, metallurgy, and chemistry to maintain global leadership in peaceful nuclear applications.
Focused on advancing nuclear science and technology, Canadian Nuclear Laboratories delivers innovative solutions through physics, metallurgy, and chemistry to maintain global leadership in peaceful nuclear applications.
Leadership Roles at Canadian Nuclear Laboratories
Mark Lesinski - President & Chief Executive Officer
Mark Lesinski, the President & Chief Executive Officer at Canadian Nuclear Laboratories, directs the overarching strategic vision for the organization. This leadership role involves managing complex nuclear science initiatives and ensuring alignment with national energy goals. By overseeing the transition of research into commercial applications, the President & Chief Executive Officer drives significant advancements in metallurgy and physics. Mark Lesinski maintains rigorous safety standards while fostering partnerships across North American research sectors. The President & Chief Executive Officer coordinates with the Board to secure long-term funding for critical infrastructure projects. Through constant evaluation of market trends, the President & Chief Executive Officer optimizes the deployment of nuclear technology. This executive leadership ensures that Canadian Nuclear Laboratories remains at the forefront of global scientific innovation. By prioritizing operational excellence, the President & Chief Executive Officer sustains the competitive advantage of the organization within the international nuclear research landscape.
Dennis Carr - President & Chief Executive Officer
Dennis Carr, the President & Chief Executive Officer at Canadian Nuclear Laboratories, manages the execution of large-scale environmental remediation and waste management programs. This leadership role focuses on the technical implementation of nuclear site restoration across diverse regional facilities. By directing engineering teams, the President & Chief Executive Officer ensures compliance with stringent regulatory frameworks. Dennis Carr oversees the integration of advanced chemical processes to improve site safety and efficiency. The President & Chief Executive Officer collaborates with external stakeholders to address complex environmental challenges. Through the application of specialized nuclear expertise, the President & Chief Executive Officer supports the broader mission of sustainable technology development. This executive leadership role requires constant monitoring of project milestones and resource allocation. By streamlining operational workflows, the President & Chief Executive Officer enhances the overall capacity of the organization to deliver high-impact scientific results while maintaining environmental stewardship.

Sean Bovingdon - Corporate Services Chief Financial Officer & Vice President
Sean Bovingdon, the Corporate Services Chief Financial Officer & Vice President at Canadian Nuclear Laboratories, manages the financial health and corporate service operations of the organization. This leadership role involves overseeing budgeting, financial reporting, and resource allocation to support large-scale research projects. By directing the financial strategy, the Corporate Services Chief Financial Officer & Vice President ensures the long-term sustainability of the business model. Sean Bovingdon monitors fiscal performance and implements cost-saving measures to optimize operational efficiency. The Corporate Services Chief Financial Officer & Vice President coordinates with the Board to provide transparent financial oversight. Through the management of corporate services, the Corporate Services Chief Financial Officer & Vice President ensures that the organization maintains the necessary infrastructure to conduct world-class nuclear science. This leadership role requires constant analysis of economic factors and market conditions. By securing financial stability, the Corporate Services Chief Financial Officer & Vice President enables the continued growth of the organization.
Heather Crowe - Chief of Staff
Heather Crowe, the Chief of Staff at Canadian Nuclear Laboratories, manages the strategic priorities and administrative functions of the executive office. This leadership role involves coordinating high-level initiatives and ensuring that organizational goals receive proper attention from the leadership team. By facilitating communication across departments, the Chief of Staff streamlines decision-making processes. Heather Crowe oversees the preparation of executive briefings and monitors the progress of key corporate projects. The Chief of Staff acts as a primary liaison between the executive team and external partners to ensure alignment with the mission of Canadian Nuclear Laboratories. Through the management of internal workflows, the Chief of Staff enhances the overall effectiveness of the leadership structure. This role requires constant attention to detail and the ability to manage complex organizational dynamics. By optimizing executive time and resources, the Chief of Staff supports the successful delivery of nuclear science and technology advancements.
Tom Vaughan - Chief Information Officer
Tom Vaughan, the Chief Information Officer at Canadian Nuclear Laboratories, directs the digital strategy and information technology infrastructure of the organization. This leadership role involves securing sensitive research data and implementing advanced computing solutions to support nuclear physics simulations. By overseeing the modernization of IT systems, the Chief Information Officer ensures that researchers have access to high-performance tools. Tom Vaughan manages cybersecurity protocols to protect critical intellectual property and infrastructure. The Chief Information Officer collaborates with other executives to integrate digital transformation into the core business model. Through the deployment of scalable cloud technologies, the Chief Information Officer enhances the collaborative capabilities of the organization. This leadership role requires constant adaptation to emerging technological trends and security threats. By maintaining robust digital systems, the Chief Information Officer supports the mission of Canadian Nuclear Laboratories to lead in innovative nuclear science and technology applications.
Trevor McConnell - Deputy Director
Trevor McConnell, the Deputy Director at Canadian Nuclear Laboratories, supports the implementation of organizational policies and research objectives. This leadership role involves coordinating cross-functional teams to ensure the seamless delivery of scientific projects. By overseeing daily operations, the Deputy Director maintains high standards of productivity across all research departments. Trevor McConnell facilitates communication between executive leadership and technical staff to align project goals with corporate strategy. The Deputy Director manages internal resources to optimize the output of physics and chemistry laboratories. Through the application of rigorous project management methodologies, the Deputy Director mitigates operational risks and enhances efficiency. This leadership role requires constant engagement with department heads to resolve bottlenecks and accelerate innovation. By fostering a culture of excellence, the Deputy Director ensures that Canadian Nuclear Laboratories achieves its mission of providing world-class nuclear science and technology solutions to the global market.
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