7th International Conference on Geological Repositories - Empowering Progress in Development of Deep Geological Repositories


John Thelen

Canadian Safety Nuclear Commission (CNSC), Canada

Director, Major Projects and Strategic Support, Directorate of Nuclear Cycle and Facilities Regulation, Regulatory Operations Branch


John Thelen is an employee of Canada's nuclear regulator, the Canadian Nuclear Safety Commission (CNSC). John has more than 25 years of experience in successively more complex technical and supervisory roles overseeing industrial and nuclear facility remediation and decommissioning activities. John’s career began as an environmental consultant conducting risk assessments at U.S. EPA Superfund contaminated sites. A move back to Canada brought about a career reboot as a regulator by joining the CNSC in 2007 as a senior project officer and field inspector for nuclear fuel cycle facilities and waste management facilities. John was recently a member of the Nuclear Energy Agency (NEA) Working Group on Leadership and Safety Culture (WGLSC) and led a team that developed the recently-published Practices for Enhancing Leadership for Safety in Nuclear Regulatory Bodies. This document outlines practical ways leaders at all levels of an organization can help create and maintain a healthy regulatory body safety culture. Recently, John has been appointed as Director of CNSC’s division responsible for managing the pre-licensing process for deep geological repositories. This role includes sharing information, guidance and requirements with implementers, participating in stakeholder engagement and indigenous engagement, and communicating with municipal, provincial, federal and international regulatory bodies.