Fiona Rayment enjoys a plural career covering nuclear advisory and non-executive director roles and has dedicated decades to the nuclear sector with extensive strategic and operational experience. She is a chartered chemist and engineer with a PhD in chemistry from University of Strathclyde, Glasgow and a fellow of the Royal Academy of Engineering, the Royal Society of Edinburgh, the Royal Society of Chemistry, the UK Nuclear Institute and the American Nuclear Society. She has an MBA from Manchester Business School.

Fiona has recently served as Chief Science and Technology Officer at the U.K. National Nuclear Laboratory, as a member of Euratom’s Science and Technology Committee, the Idaho National Laboratory's Nuclear Science and Technology Advisory Committee and was the first chair of the UK’s Nuclear Skills Strategy Group. Her current roles across the sector include being a government advisor, a member of the Office of Nuclear Regulation Chief Nuclear Inspector’s Independent Advisory Panel. She is a visiting professor at the Dalton Nuclear Institute, University of Manchester and an honorary professor at the University of Bangor. Fiona is chair of the Scientific Advisory Committee of the Energy Division at CEA - the French Alternative Energies and Atomic Energy Commission, a Non-Executive Member of the Board of the UK Space Agency and A Non-Executive Director of Nuclear Restoration Services. She is the President of the UK Nuclear Institute and a vice chair of the Nuclear Energy Agency’s Steering Committee Bureau.

Fiona has long advocated widening participation in science and engineering and champions approaches enabling diversity and inclusion.

She was awarded an OBE in 2017 and the French Légion d’Honneur in 2020.