President
![A headshot of Pierre Tremblay, smiling. He wears a dark suit jacket, white shirt and a dark spotted tie. The background is grey.](https://api.cnsc-ccsn.gc.ca/dms/digital-medias/pierre-tremblay.jpg/object)
Pierre Tremblay began his term as President and Chief Executive Officer of the Canadian Nuclear Safety Commission (CNSC) on August 12, 2024.
Mr. Tremblay is an accomplished leader with over 40 years of experience in nuclear engineering, security, operations, maintenance and management, including most recently as President of AECOM Canada Nuclear Services Inc.
He served as Chair of the CNSC’s Departmental Audit Committee from 2017 to 2023, providing advice and recommendations on our organization’s internal audit functions, frameworks and processes for risk management, control and governance. This role underscored his proven commitment to regulatory excellence and his support of our mandate to regulate the use of nuclear energy and materials to protect health, safety, security and the environment.
Mr. Tremblay began his career as a trainee engineer with Ontario Hydro (now Ontario Power Generation), where he rose through the ranks to become Chief Nuclear Operating Officer, responsible for the operation and maintenance of the nuclear fleet, achieving significant safety improvements.
He subsequently served as President of Canadian Nuclear Partners (now Laurentis Energy Partners Inc.), where he led trade missions to China, South Korea and India to create new opportunities for Canadian nuclear companies and their supply chains.
His international experience as a nuclear advisor, instructor and peer evaluator demonstrates his commitment to sharing knowledge and fostering global collaboration.
Mr. Tremblay is a Fellow of the Canadian Academy of Engineering and was an active member of the Canadian Nuclear Society, the Canadian Nuclear Association, and the American Nuclear Society, where he held the prestigious position of Chair of the Education and Training Division.
He was also the former Governor of the University of Ontario Institute of Technology (now Ontario Tech University), Chairman of the Board of Governors of Durham College, and President of the Canadian Red Cross, North York Branch.
He holds a Master of Business Administration from the Rotman School of Management at the University of Toronto, and a Bachelor of Science (Honours) in Chemical Engineering from Queen’s University.
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