Leadership Overview
ATCO has 10 executives leading key functions including strategy, technology, finance, and operations.
Driven by a commitment to operational excellence, ATCO delivers comprehensive solutions across diverse sectors, emphasizing reliability and innovation in challenging environments.
Driven by a commitment to operational excellence, ATCO delivers comprehensive solutions across diverse sectors, emphasizing reliability and innovation in challenging environments.
Leadership Roles at ATCO
Nancy Southern - Chief Executive Officer & Chair
Nancy Southern, the Chief Executive Officer & Chair at ATCO, directs the overarching corporate strategy and governance. Southern guides ATCO's global operations, ensuring alignment with long-term objectives and market demands. This leadership involves overseeing diverse business units, including those focused on energy infrastructure and remote workforce solutions. Southern's strategic vision drives ATCO's expansion into new markets and strengthens existing client relationships across government, defense, and industrial sectors. The role demands constant evaluation of market trends and the implementation of innovative business models to maintain ATCO's competitive edge. By fostering a culture of accountability and performance, Nancy Southern ensures the company's sustained growth and financial health, solidifying ATCO's position as a leader in operational support services worldwide. Southern's influence extends to shaping the company's commitment to sustainability and community engagement, critical components of ATCO's corporate ethos.

John Stamopoulos - Chief Financial Officer
John Stamopoulos, the Chief Financial Officer at ATCO, manages the company's financial health and strategic fiscal planning. Stamopoulos oversees all financial operations, including accounting, budgeting, forecasting, and financial reporting for ATCO's diverse business segments. This role is critical in supporting ATCO's global expansion and its provision of specialized services like remote workforce accommodations and disaster response solutions. Stamopoulos ensures robust financial controls are in place to manage risks associated with operations in challenging and remote environments worldwide. The Chief Financial Officer plays a key part in securing funding, managing investor relations, and optimizing capital allocation to drive profitable growth. By providing critical financial insights, John Stamopoulos enables informed decision-making across the organization, supporting initiatives in facilities management and defense support services. Stamopoulos's expertise is vital for maintaining ATCO's financial stability and achieving its long-term strategic objectives.
Gregory Stevenson - Chief Financial Officer, Atco Enpower
Gregory Stevenson, the Chief Financial Officer, Atco Enpower at ATCO, directs the financial strategy and operations specifically for the Atco Enpower division. Stevenson is responsible for managing the financial performance, budgeting, and investment activities that support Atco Enpower's energy infrastructure projects and services. This involves close collaboration with operational teams to ensure financial viability and profitability across all undertakings. The Chief Financial Officer, Atco Enpower ensures compliance with financial regulations and implements robust internal controls to mitigate risks inherent in the energy sector. Stevenson's financial acumen is crucial for driving growth, optimizing resource allocation, and supporting strategic initiatives within Atco Enpower. By providing accurate financial analysis and forecasting, Gregory Stevenson enables effective decision-making and contributes to the division's overall success and expansion. Stevenson's role is integral to maintaining the financial integrity and operational efficiency of Atco Enpower.
Tamer Mohsen - Group Chief Financial Officer
Tamer Mohsen, the Group Chief Financial Officer at ATCO, oversees the consolidated financial strategy and performance across ATCO's entire group of companies. Mohsen directs financial planning, risk management, and capital allocation to support the diverse operations, including ATCO Frontec's global service delivery. This leadership role involves ensuring financial discipline and optimizing profitability across all business units, from energy infrastructure to remote workforce solutions. The Group Chief Financial Officer provides critical financial oversight, guiding investment decisions and ensuring compliance with international financial standards. Tamer Mohsen's expertise is essential for managing complex financial structures and driving sustainable growth. By fostering strong relationships with financial institutions and stakeholders, Mohsen secures the necessary capital to fund ATCO's strategic initiatives and expansion plans. Mohsen's comprehensive financial management ensures the group's long-term stability and value creation.
Adam Beattie - President, Structures
Adam Beattie, the President, Structures at ATCO, leads the strategic direction and operational execution for ATCO's Structures division. Beattie oversees the design, manufacturing, and deployment of modular structures used for workforce accommodations, commercial buildings, and specialized industrial applications worldwide. This leadership involves driving innovation in modular construction techniques to enhance efficiency, sustainability, and client satisfaction. Beattie ensures the Structures division effectively serves diverse markets, including remote resource development, defense, and disaster relief efforts. The President, Structures manages key relationships with clients and partners, ensuring ATCO delivers high-quality, turnkey solutions tailored to specific project requirements. Adam Beattie's focus is on expanding market reach and optimizing production capabilities to meet growing global demand. Beattie's operational oversight guarantees the division's commitment to safety, quality, and timely project completion, reinforcing ATCO's reputation for excellence.

William Stephens - President
William Stephens, the President at ATCO, directs significant operational segments within the company, contributing to ATCO's broad service portfolio. Stephens oversees key business units responsible for delivering essential services, potentially including energy infrastructure management or specialized support operations. This leadership role involves ensuring operational excellence, driving efficiency, and maintaining high standards of safety and reliability across managed divisions. Stephens works to align divisional objectives with ATCO's overall corporate strategy, focusing on growth and market expansion. The President collaborates with other executive leaders to identify new business opportunities and enhance existing client relationships. William Stephens's strategic oversight is critical for optimizing resource allocation and ensuring the successful execution of complex projects in challenging environments. Stephens's leadership reinforces ATCO's commitment to providing dependable and innovative solutions to its global clientele.
Alan Elwell - President
Alan Elwell, the President at ATCO, spearheads critical operational functions and strategic initiatives across designated business areas. Elwell directs the performance and growth of specific ATCO divisions, ensuring alignment with the company's core mission of delivering essential services in demanding locations. This leadership involves managing complex projects, optimizing resource deployment, and fostering strong client partnerships. Elwell's responsibilities include driving operational efficiency and upholding the highest standards of safety and quality. The President works closely with executive peers to identify market opportunities and implement innovative solutions that address client needs in sectors such as defense and disaster response. Alan Elwell's strategic guidance is vital for enhancing ATCO's competitive position and expanding its global footprint. Elwell's focus on operational excellence ensures the reliable delivery of ATCO's comprehensive support services.
Ashley Schiiler - Chapter 103 President
Ashley Schiiler, the Chapter 103 President at ATCO, leads specific initiatives and operations related to the Chapter 103 designation. Schiiler directs activities that ensure compliance with the regulations and objectives associated with this specific chapter, likely pertaining to a particular business unit or regulatory framework within ATCO. This role involves managing the operational aspects and strategic implementation of Chapter 103 requirements, ensuring seamless integration with broader company goals. Schiiler works to optimize processes and resource allocation to meet the unique demands of this designation. The Chapter 103 President collaborates with internal teams to drive successful outcomes and maintain high standards of performance. Ashley Schiiler's leadership is focused on achieving the specific mandates of Chapter 103, contributing to ATCO's overall operational integrity and strategic execution. Schiiler ensures the effective management of all related activities.
Jacquelyn Menefee - President
Jacquelyn Menefee, the President at ATCO, drives strategic leadership and operational oversight for key segments of the organization. Menefee directs the performance and development of specific business units, ensuring their contribution to ATCO's overall mission of providing essential services globally. This involves managing complex operational challenges, fostering innovation, and cultivating strong relationships with clients and stakeholders. The President focuses on enhancing service delivery, optimizing resource utilization, and upholding rigorous safety and quality standards across managed operations. Jacquelyn Menefee collaborates with the executive team to identify growth opportunities and implement strategic plans that strengthen ATCO's market position. Menefee's leadership is instrumental in ensuring the successful execution of projects in diverse and often remote environments, reinforcing ATCO's reputation for reliability and expertise.
Bonnie Yee - Chief Technology Officer
Bonnie Yee, the Chief Technology Officer at ATCO, spearheads the integration of advanced technological solutions across all company operations. Yee directs the development and implementation of innovative digital strategies that enhance service delivery and operational efficiency for ATCO's global clientele. This involves managing IT infrastructure, cybersecurity protocols, and the adoption of new technologies to support remote workforce accommodations, facilities management, and disaster response services. Yee's focus is on leveraging technology to solve complex challenges faced by government, defense, and industrial clients operating in remote and demanding environments. By optimizing data management and communication systems, Bonnie Yee ensures seamless operations and robust support for ATCO's diverse projects. The Chief Technology Officer also champions research and development initiatives, identifying emerging technologies that can provide a competitive advantage and improve the company's service offerings. Yee's leadership ensures ATCO remains at the forefront of technological application in its specialized sectors.
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