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Who We Are

Steve Shelestynsky: Director of Education Programs (more ...)

Steve Shelestynsky: Director of Education Programs (more ...)

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 13 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.

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.


  • Ph.D. Mechanical Engineering, McMaster University 2007
  • M.A.Sc. Engineering Materials, University of Windsor 1996
  • B.Sc. Physics, University of Toronto 1992

Province of Ontario Professional Engineer Practitioner Licenses:

  • Professional Engineer Licensed 1998
  • Designated Consulting Engineer 2007
  • Sole Practitioner Certificate of Authorization 2014


  • ASME Specialized Professional Engineer in accordance with American Society of Mechanical Engineers Boiler & Pressure Vessel Code Section III Division 1 Appendix XXIII
  • Ontario Power Generation Security Clearance

Nuclear and Conventional Process Mechanical Design

  • Thermal-Hydraulic Two-Phase Flow
  • ASME Boiler and Pressure Vessel Codes and Standards expert with designation of Specialized Professional Engineer
  • Design Requirements Development
  • Technical and Design Specifications Development
  • Design Report Certification
  • Design Registration with Jurisdictional Safety Authority
  • Technical & Risk Management Strategy
  • Tritium Removal and Capture
  • Condition Assessment of CANDU Process

Mechanical Systems & Medical Isotope Processing

  • Engineering & Due Diligence Assessments
  • Cross-Functional Engineering Management
  • Project and Organizational Management
  • Nuclear Power: CANDU, Medical Isotope

Processing & SMRs

  • Metals and Alloys Production and Optimization
  • Radioactive Waste Management Systems