Our Values


To us Results means an opportunity to celebrate success. We are all fully accountable for accomplishing the objectives and targets that we set. The end result of matching a candidate with a client creates happy clients, happy candidates and happy colleagues.


Driven by curiosity and resourcefulness, Credibility means combining our knowledge of the nuclear sector with our expertise in representing and advising candidates, in order to provide a valuable service to our colleagues and to the global nuclear industry.


We are proud to be a Fair, Inclusive and Diverse organisation. To us, this means putting ourselves in the shoes of our colleagues, candidates and clients to ensure that all perspectives are considered when we act, which we always aim to do with fairness and integrity.


To us Team means working together with colleagues and industry contacts towards common goals, promoting diversity, acting with respect and energising one other.


To us Excellence means delivering the highest possible quality of service, communication and interaction to our colleagues and industry contacts, always striving to exceed their expectations.


Based on trust, Relationships means creating and maintaining open, honest, long term and strong bonds with our colleagues and industry contacts.

Whether you are a nuclear professional looking for your next career move or a freelance assignment, we can help you.

Thomas Thor - Recruitment, Executive Search and Consulting in Nuclear

Thomas Thor Associates provide recruitment, executive search and consulting services to the global nuclear industry. Our clients include nuclear regulators, operators, engineering companies, equipment manufacturers and research organisations. Our offices are in Europe, Middle East and North America. Our multinational and multilingual staff have an unrivalled global network in the nuclear industry. Following the union of Thomas Thor and KeySource HCI in 2016, we proudly operate as KeySource Global in North America.

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Our Leadership Team


Callum’s role includes the growth and management of the company, ensuring that the high level of professionalism and focus that our clients and Associates in the nuclear industry expect from Thomas Thor is maintained.


Keith's career spans more than 35 years, serving in senior executive management roles and then as the Founder and President of KeySource, providing retained executive search and a full suite of human capital investment services. Keith currently continues to support KeySource activities as Advisor to the Board.


Tim oversees both KeySource Global and Thomas Thor Associates day to day running and growth to deliver the best possible service to our clients and candidates.


Gaetan's role includes the full operational management of our business in the MENA nuclear industry.


Nick's primary objective is to elaborate the strategy and support the development of Thomas Thor Associates Global Business in North America.


James's role includes the management of all finance, operations and compliance for both Thomas Thor Associates and KeySource Global.


Eve is based in Toronto and supporting the whole of Canadian Nuclear Industry Development.

Join us

We are multilingual, international and opened to experienced science and business professionals willing to build and manage relationships with experts and organisations in the global nuclear sector.