About Oxford Sigma

Oxford Sigma is internationally recognised as a highly technical company with our growing team of engineers and scientists led by Jonathan and Thomas. We play an active role in the emerging supply chain ecosystem within the UK, USA and EU for fusion energy and advanced nuclear energy.

Oxford Sigma was founded in March 2019 by Jonathan Musgrove and Dr Thomas P. Davis to tackle the emerging need for technology in materials science for fusion and advanced nuclear systems. Oxford Sigma’s vision is to accelerate the commercialisation of these systems in the global effort to tackle climate change and resolve challenges in energy security.

Meet our executive team

Thomas Paul Davis

Dr Thomas Davis

President & Chief Technology Officer

Thomas has a background in engineering, materials science, fusion engineering, and nuclear regulation. He leads the Company’s research and development team on fusion and fission energy systems. He holds a PhD (DPhil) in Nuclear Materials from the University of Oxford and an MEng in Nuclear Engineering from the University of Birmingham.
Jonathan Musgrove

Jonathan Musgrove

Chief Executive Officer

Jonathan has a background in chemical engineering, nuclear regulation, and regulatory compliance. He holds an MEng in Chemical Engineering from the University of Birmingham

Our Location

Oxford Sigma is based at the world-leading science business park, Harwell Science & Innovation Campus in Oxfordshire, UK, which provides a rich, engaging environment with fellow similar companies who work in the space, health, and energy sectors.

For more information on the campus, please see https://www.harwellcampus.com/

Accreditations & Memberships

Fusion Industry Association

Oxford Sigma is an affiliate member of the Fusion Industry Association, an international coalition of companies working to commercialise fusion energy.

American Society of Mechanical Engineers

Oxford Sigma is a member of the American Society of Mechanical Engineers (ASME) Boiler & Pressure Vessel Code (BPVC) Section III Division 4 (Fusion Energy Devices).

The company is accredited with Cyber Essentials