Governance

Executive

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Mark Lesinski

President and Chief Executive Officer

Bio

As President and CEO of Canadian Nuclear Laboratories, Mark Lesinski oversees CNL’s operations across Canada, that include the delivery of major environmental remediation projects, and the modernization of the Chalk River Laboratories, a $1.2 Billion program of work which will transform the site through the revitalization of essential site infrastructure, the decommissioning of aging buildings and the construction of new, world-class facilities.

A distinguished senior executive, Mark has a strong record of delivering major accomplishments in high-profile leadership positions across all areas of the nuclear sector. Over the course of his 40-year career, Mark has served in roles at both commercial and government-led nuclear facilities and organizations, leading power reactor operations, large retrofit projects, and decontamination and decommissioning programs.

Prior to his role at CNL, Mark spent 10 years working in the United Kingdom in positions that included Managing Director and Chief Operating Officer (COO) for the U.K. Nuclear Decommissioning Authority (NDA), where he accelerated the closure of the Magnox South Estate. Mark also led major commercial nuclear power plant retrofit projects, and decontamination and decommissioning activities, at commercial power plants and U.S. Department of Energy sites. This work included the Rocky Flats Environmental Technology site, where Mark’s expertise supported closure of the site 60 years ahead of schedule and $30 Billion lower than originally estimated.

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Joe McBrearty

Chief Operating Officer

Bio

As COO of Canadian Nuclear Laboratories, Joe McBrearty oversees the company’s internal operations and activities, ensuring CNL is managed effectively and operating as a high-performing science and technology organization.

Joe brings significant experience to CNL as a leader in the nuclear industry and in the implementation of transformational change across numerous organizations. For more than 36 years, Joe served in highly technical and leadership positions that cover nearly all fields of nuclear operations, including nuclear reactor and high hazard nuclear facility operations, maintenance, training and oversight with complex nuclear organizations.

Most recently, Joe held the position of Chief Operating Officer and Deputy Director for Field Operations with the Office of Science, in the U.S. Department of Energy (DOE). In this role he worked to achieve excellence in nuclear operations, with responsibility for all operations, including, safety, security, nuclear and hazardous material operations, procurement, and financial actions for the majority of DOE’s national laboratory complex, all of which operate under the same management and operations model as CNL.

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Kathryn McCarthy

Vice-President, Science & Technology

Bio

As Vice-President of Science and Technology at Canadian Nuclear Laboratories, Dr. Kathy McCarthy provides strategic leadership in the delivery of CNL’s research and development activities.

Kathy brings decades of experience to CNL gained through a career dedicated to nuclear science and technology. Prior to her current role, Kathy served as the Director of Domestic Programs, Nuclear Science and Technology, responsible for oversight and coordination of the major domestic programs at the Idaho National Laboratory. In that role, Kathy was deeply involved in advanced reactors and advanced fuel research, as well as the delivery of lab-directed research programming, commercial projects, and international collaborations.

Kathy has also held the position of Director of the US Department of Energy Light Water Reactor Sustainability Program Technical Integration Office. Her team, made up of scientists and engineers from across the United States, conducted and guided important research that enabled power companies to be able to make informed decisions regarding long-term operation for their operating nuclear units. Her expertise, leadership and contributions to the nuclear science and technology community are globally recognized, having received the American Nuclear Society Presidential Citation in 2007 and 2015, and the Partnership for Science & Technology Nuclear Energy Advocate of the Year Award in 2011, among many others.

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Monica Steedman

Vice-President, Finance and Business Management & Chief Financial Officer

Bio

As Vice-President of Business Management and Chief Financial Officer, Monica Steedman oversees the management and implementation of CNL’s financial and business planning activities.

Monica brings a significant breadth of experience and a highly-refined skill set to the role, having spent much of her career dedicated to the development of business strategies for large organizations going through significant periods of transformation.

She has held senior leadership positions in financial and strategic roles for many of the United Kingdom’s leading nuclear organizations, including AWE, Energy Solutions EU and Magnox. She also served on the Board of Directors of Magnox Limited as a member of the Audit, Governance and Pensions Committees, and as a member of the Magnox Executive team, holding a position on the risk panel, portfolio management panel, validation and sanction panel, and resource management panel.

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Mike Gull

Vice-President, Environmental Remediation Management

Bio

As Vice-President of Environmental Remediation Management, Mike Gull leads waste management, decommissioning and environmental remediation activities at CNL. Mike is also responsible for a number of CNL’s critical environmental remediation projects, including the Near Surface Disposal Facility (NSDF) Project, the NPD Closure Project, the Whiteshell Closure Project, and the Port Hope Area Initiative, all of which are designed to manage Canada’s nuclear liabilities.

A seasoned industry executive from the United Kingdom, Mike has 32 years of leadership experience that includes the development and delivery of high value nuclear decommissioning and waste management programs. Most recently, Mike served as the Market Director of Nuclear Fuel Cycles in the United Kingdom and Europe, where he led the design and construction of major nuclear liability projects, which eliminated hazards and reduced risks through the application of decommissioning know-how and innovative techniques and technology.

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Phillip Boyle

Vice-President, Operations and Chief Nuclear Officer

Bio

As Vice-President of Operations and Chief Nuclear Officer, Phillip Boyle leads CNL’s ongoing pursuit of performance improvements in the operation of CNL’s nuclear facilities at the Chalk River Laboratories.

A veteran of the industry with over 40 years of experience driving rigor, safety, and efficiencies in nuclear and other highly technical organizations, Phillip is a talented nuclear executive with a long and distinguished career in nuclear management and operations. Phillip most recently worked as an executive consultant for Atkins, where he served as Co-Chairman of its Independent Performance Assessment Team.

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Ted Preisig

Vice-President, Capital Projects

Bio

As Vice-President of Capital Projects, Ted Preisig oversees the construction and delivery of CNL’s non-nuclear new builds, the Advanced Nuclear Materials Research Centre and the Site Utilities Revitalization Projects.

Ted has extensive international experience leading project development and has an excellent track record for delivering mining, industrial and infrastructure projects through all development stages in often complex, sensitive and geopolitical environments over the last 26 years. Ted has undertaken a variety of mandates including industry specialist peer reviewer, engineering manager, project manager, and project director for global mining projects.

Prior to CNL, Ted has provided similar services through a variety of construction and engineering contractors including WorleyParsons, AECOM and Hatch Associates, as well as significant site operations support in the alumina and iron ore industries.