John Osborne
Vice President, Central Technical Authority & Chief Nuclear Officer
Canadian Nuclear Laboratories
John Osborne is Canadian Nuclear Laboratories’ Vice President, Central Technical Authority and Chief Nuclear Officer, with more than 25 years of experience across Canada’s nuclear sector. In this role, he oversees nuclear operations, regulatory compliance, engineering, safeguards, and safety culture, and maintains CNL’s primary regulatory interface with the Canadian Nuclear Safety Commission. John has held senior leadership roles across maintenance, radiation protection, emergency preparedness, and nuclear operations at CNL, and previously served as Atomic Energy of Canada Limited’s (AECL) Vice President for Capital Programs, Operations & Security, supporting major site revitalization initiatives and safe, secure operations across AECL-owned sites. Earlier in his career, he served 15 years in the Royal Canadian Navy in senior engineering and operational roles. He joined the Conexus Board in 2026.