Cameco Executive and Leadership Team

September, 2026

Leadership Overview

Cameco has 5 executives leading key functions including strategy, financial oversight, operational management, and legal compliance.

Focused on global energy security, Cameco delivers essential uranium refining, conversion, and fuel manufacturing services to support sustainable nuclear power generation across international markets.

Leadership Roles at Cameco

  • President & Chief Executive Officer - Timothy Gitzel
  • Senior VP & Chief Financial Officer - Heidi Shockey
  • Senior Vice - President and Chief Operating Officer - Brian Reilly
  • President & Chief Operating Officer - Grant Isaac
  • Senior Vice President and Chief Legal Officer - Liam Mooney
  • Timothy Gitzel - President & Chief Executive Officer

    Timothy Gitzel, the President & Chief Executive Officer at Cameco, directs the overarching corporate strategy for uranium production and fuel services. Overseeing the entire organizational structure, the President & Chief Executive Officer ensures alignment between mining operations and global energy market demands. This leadership role involves constant engagement with the Board to drive long-term value through sustainable resource extraction. By managing complex international partnerships, Timothy Gitzel secures the company's position as a premier supplier of nuclear fuel. The President & Chief Executive Officer maintains rigorous safety standards while expanding the reach of Canadian uranium assets into emerging markets. Through decisive action, the President & Chief Executive Officer optimizes the supply chain to meet the growing requirements of the global nuclear power industry. Gitzel fosters a culture of operational excellence that defines the current trajectory of the organization.
    Timothy Gitzel

    Heidi Shockey - Senior VP & Chief Financial Officer

    Heidi Shockey, the Senior VP & Chief Financial Officer at Cameco, manages the fiscal health and capital allocation strategies for the organization. Overseeing financial reporting and investor relations, the Senior VP & Chief Financial Officer ensures transparency and accuracy in all monetary disclosures. This leadership role involves balancing the costs of uranium refining with the revenue generated from global fuel manufacturing contracts. By implementing robust risk management frameworks, Heidi Shockey protects the company's balance sheet against market volatility. The Senior VP & Chief Financial Officer coordinates with the executive team to fund capital-intensive mining projects across North American and international sites. Through precise financial planning, the Senior VP & Chief Financial Officer supports the long-term growth objectives of the business. Shockey maintains fiscal discipline to ensure the continued viability of the company's core energy services.
    Heidi Shockey

    Brian Reilly - Senior Vice - President and Chief Operating Officer

    Brian Reilly, the Senior Vice - President and Chief Operating Officer at Cameco, manages the technical execution of uranium refining and conversion processes. Overseeing the daily output of manufacturing facilities, the Senior Vice - President and Chief Operating Officer ensures that production targets meet the highest quality standards. This leadership role involves optimizing the efficiency of industrial assets to maximize throughput for global clients. By integrating advanced engineering solutions, Brian Reilly drives innovation within the fuel manufacturing cycle. The Senior Vice - President and Chief Operating Officer coordinates with site managers to maintain operational continuity across all regional facilities. Through meticulous oversight of technical workflows, the Senior Vice - President and Chief Operating Officer supports the company's commitment to reliable energy supply. Reilly ensures that all operational activities align with the broader strategic goals of the organization.
    Brian Reilly

    Grant Isaac - President & Chief Operating Officer

    Grant Isaac, the President & Chief Operating Officer at Cameco, architects the commercial strategy for uranium market expansion and fuel service delivery. Overseeing the logistics of international trade, the President & Chief Operating Officer ensures that the company effectively navigates complex regulatory environments. This leadership role involves managing the commercial relationships that underpin the global nuclear fuel supply chain. By analyzing market trends, Grant Isaac positions the organization to capitalize on the rising demand for clean energy solutions. The President & Chief Operating Officer collaborates with the executive team to refine the operational footprint in key global regions. Through strategic market positioning, the President & Chief Operating Officer drives revenue growth and enhances the company's competitive advantage. Isaac executes high-level commercial initiatives that solidify the organization's status as a leader in the nuclear fuel sector.
    Grant Isaac
    Liam Mooney, the Senior Vice President and Chief Legal Officer at Cameco, directs the legal strategy and regulatory compliance framework for the organization. Overseeing corporate governance, the Senior Vice President and Chief Legal Officer ensures that all mining and refining activities adhere to international environmental and safety laws. This leadership role involves managing complex litigation and protecting the company's intellectual property in the nuclear fuel sector. By providing counsel on cross-border transactions, Liam Mooney facilitates the expansion of the company's global operations. The Senior Vice President and Chief Legal Officer works closely with the Board to mitigate legal risks associated with large-scale industrial projects. Through proactive policy development, the Senior Vice President and Chief Legal Officer maintains the integrity of the company's business practices. Mooney ensures that all legal structures support the long-term sustainability of the organization.

    Explore Leadership Teams in Minerals & Mining

    Frequently Asked Questions Regarding Cameco Top Executives and Leadership Team

    Who leads Cameco?
    Cameco is led by Timothy Gitzel (President & Chief Executive Officer), along with executives such as Heidi Shockey (Senior VP & Chief Financial Officer) and Brian Reilly (Senior Vice - President and Chief Operating Officer).
    Who is part of Cameco’s executive team?
    The executive team of Cameco includes leaders such as Timothy Gitzel (President & Chief Executive Officer), Heidi Shockey (Senior VP & Chief Financial Officer), Brian Reilly (Senior Vice - President and Chief Operating Officer) and other senior executives.
    How many executives does Cameco have?
    Cameco has 5 executives leading key business areas.
    What roles are included in Cameco’s leadership team?
    The leadership team of Cameco includes roles such as President & Chief Executive Officer, Senior VP & Chief Financial Officer, Senior Vice - President and Chief Operating Officer, President & Chief Operating Officer, Senior Vice President and Chief Legal Officer.