KeySource Thomas Thor specializes in placing leaders within the highly-regulated, safety-conscious global nuclear industry.  This industry maintains demanding expectations with regard to executive management, performance excellence and operational reliability. KeySource Thomas Thor is thorough, professional and enthusiastic when charged with a search to identify leaders who are committed to generating business growth and continuous improvement.

KeySource Thomas Thor’s search experience spans the nuclear facility lifecycle – R&D, new build, operations, waste management, and decommissioning, and serves the nuclear industry around the globe.  Whether your business’s focus is on power generation or nuclear weaponry, KeySource Thomas Thor applies hard-won knowledge, experience, and connections to fill your leadership challenges.  All members of the KeySource Thomas Thor team have search experience in highly-regulated, technical environments with emphasis in nuclear.

Industry Segments

  • Science & Technology
  • Engineering, Procurement & Construction
  • Power Generation
  • Weapons & National Security
  • National Laboratories
  • Regulatory, Licensing, Safety & Health
  • D&D Environmental Cleanup
  • Waste Management
  • Service & Maintenance


Executive & C-Level Leadership

  • Board (Director)
  • Chief Executive Officer
  • President
  • Chief Operations Officer
  • Chief Financial Officer
  • Chief Technology Officer
  • Vice President
  • Advisory Board

Functional Leadership

  • Business Development
  • Sales & Marketing
  • Project Management
  • Project Controls
  • Engineering
  • R&D / Technology
  • Development
  • Environment, Safety & Health
  • Quality Assurance
  • Construction
  • Operations
  • Service & Maintenance
  • Human Resources
  • Finance & Accounting
  • Information Technology

Market Areas

United States

  • Commercial Nuclear
  • Federal Weapons Complex
  • DOE
  • DOD
  • DHS


  • Europe
  • Canada
  • Japan
  • Middle East

  • Power Generation Engineering Scale-up

    Since KeySource Thomas Thor has both executive recruiting as well as technical recruiting capabilities (see About Us), we were able to respond when a nuclear utility client had a major engineering department scale-up.  We were first engaged to find a VP, Engineering at this nuclear utility and the hired executive used KeySource Thomas Thor to […]

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  • Versatile EVP

    The client’s group President and COO needed an Executive VP to help manage a rapidly growing portfolio of projects in the federal energy and environmental services sector.  KeySource Thomas Thor identified multiple highly-talented individuals who were willing to travel extensively and had experience with both operations and business management initiatives.  The selected candidate had specific […]

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  • Business Improvement

    Our client was a major U.S. electric utility that owned and maintained nuclear operations in many states.  The utility company initated a wide-scale operational improvement effort.  The client invited KeySource Thomas Thor to identify candidates for similar key roles at three sites.  KeySource Thomas Thor quickly identified operational professionals who posessed the requisite experience and the drive to implement positive improvements […]

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  • Classified Business Development

    Client needed highly skilled and security-cleared individual to lead business growth initiative in secret and classified services. We found people with the right clearances, the right business experience and knowledge of the particular market areas. Now, three years after hiring the key leader, that business unit has grown dramatically and KeySource Thomas Thor has been contracted […]

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  • R & D Executive

    Our client needed to identify a highly-qualified executive leader with technology research and development credentials to bid on a major national lab technology project.  With the award date of the project scheduled to be approximately one year away, the client wanted to make contingent hire.  KeySource Thomas Thor not only found highly qualified individuals from […]

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  • Joint Venture Executive

    In this case, two federal services contracting firms joined forces with the intent to manage a defense manufacturing services contract. After evaluating internal candidates and not filling the role, the joint venture engaged KeySource Thomas Thor to identify candidates to serve as its Chief Operating Officer.  To qualify for this leadership role, candidates needed to have […]

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  • Small Business CFO

    This KeySource Thomas Thor client was a family-owned federal technical services company.  This company needed a CFO and they articulated a broad range of initiatives for which this person would be responsible.  It was evident the selected individual would wear many hats.  KeySource Thomas Thor identified several highly-credentialed candidates.  The client ultimately extended an offer to a […]

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  • UK Nuclear Decommissioning

    KeySource Thomas Thor was contacted by a large nuclear decommissioning services company in the UK with a request to find a Plant General Manager. The client needed a GM-level candidate to manage the transition of the nuclear site from operations (electricity generation) to safe shutdown and decommissioning.  KeySource Thomas Thor found multiple candidates and the […]

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Diane Hoelzel

Project Director, Executive Search

"To fear change is to fear being challenged. To fear being challenged is to fear growth and new possibilities."
- Ty Howard