Steven Shelestynsky

Senior Principal Consultant

Dr. Shelestynsky is a Nuclear Industry leader in nuclear reactor design, technical/management consulting, and risk mitigation, bringing the depth of commercial and economic understanding required for objective venture assessments for applications spanning construction, mining and nuclear industries, Small Modular Reactor technology, CANDU Reactor design and operation as well as Canadian Regulatory requirements:


  • Over 15 years Nuclear Process Mechanical Design and Research experience
  • Over three years Process Mechanical System Conceptual & Detailed Design of Generation IV SMRs experience for multiple clients
  • Expertise in Code Calculations for Design Registration with Technical Standards
  • Plant Life Management including Condition Assessments of multiple safety systems that apply across a range of industries and applications
  • Over six years automotive power-train design experience including testing, research & development, prototyping and full production launching of ancillary engine structures, water pumps and heat-exchangers. Designs conforming to Society of Automotive Engineers (SAE) standards and industry best practices.
  • On-site inspection, testing and auditing for Construction, Mining and Nuclear Industries through Consulting Engineering Companies since 1990.

Steve holds the following degrees, licenses, and certifications:

  • Ph.D. Mechanical Engineering, McMaster University 2007
  • M.A.Sc. Engineering Materials, University of Windsor 1996
  • B.Sc. Physics, University of Toronto 1992
  • Professional Engineer Licensed 1998 (Province of Ontario)
  • Designated Consulting Engineer 2007 (Province of Ontario)
  • Sole Practitioner Certificate of Authorization 2014 (Province of Ontario)

In 2019 Dr. Shelestynsky joined Hagen Global Consulting LLC to support nuclear and energy industry Clients in achieving their strategic objectives, managing risk and optimizing enterprise results.