Board of Trustees

The Board of Trustees plays an important role in the Governance of the Nuclear Institute. Composed of leading business figures and experts within the industry, the Trustees, together with the Executive Team, help set strategic direction and ensure that the Nuclear Institute meets its charitable objectives.


Gwen Parry-Jones OBE

Gwen is a highly experienced CEO and nuclear operations professional, with outstanding leadership, communication, engagement and influencing skills, with experience at a senior level in project development and delivery, governance, safety, security and nuclear oversight and assurance. 

Gwen is the CEO of Magnox and has led teams and projects in Magnox, Advanced Gas Reactor, Candu, Pressurised Water Reactor and Advance Boiling Water Reactor technologies.

She has worked extensively with senior-level technical, scientific, professional, government, local community, unions and regulatory bodies. Gwen has both UK and international experience across the energy generation sector, including in nuclear, conventional, renewables and storage technologies.

Gwen is the only woman in the UK to have held the post of Station Director at a UK civil nuclear facility and was awarded the honour of Officer of the Order of the British Empire (OBE) in 2015 for her lifetime’s work in services to Science and Technology. 

She has a BSc Hons in Physics from the University of Manchester and an MA in Banking and Finance from the European Business Academy, University College of North Wales. She is a Fellow of the Institute of Physics and an Associate of the Nuclear Institute.



Immediate Past President

John Clarke CEng FNucl

The President provides leadership to the Board and ensures that Trustees fulfil their duties and responsibilities for the proper governance of the Institute. 

John has worked in the nuclear industry for more than 35 years. His executive positions include: Head of Environment, Health, Safety and Quality at the Sellafield Plant in Cumbria, Director of Production for Sellafield Ltd, Managing Director of International Nuclear Services Ltd and most recently CEO of the Nuclear Decommissioning Authority.

John has held a number of non-executive roles over the past 10 years as well as national and international advisory roles. He is a member of the International Atomic Energy Agency Standing Advisory Group on Nuclear Energy which provides advice across the full nuclear spectrum to the IAEA Secretary General. John is a graduate in Chemical Engineering at the University of Sheffield and is a Fellow of the Institution of Chemical Engineers and a Fellow of the Nuclear Institute. 


President Elect

Jasbir Sidhu

Jasbir is one of the UK's leading Operational Risk Analysts, with over 30 years of experience developing quantified holistic risk/safety models taking the role of the human being into consideration.  He cut his teeth developing models for the UK civil nuclear power generation industry. 

Jasbir has a BEng (Hons) in Nuclear Engineering from the University of Manchester and an MBA from the University of Surrey where his final year dissertation covered valuing different base-load power generators, Coal, Gas and Nuclear taking financial (real) options theory into consideration.

He started his career as a Safety Engineer at Electrowatt International (3 years) and followed this with seven years at WS Atkins where his final role was Principal Risk Consultant.  In 2000 he set-up CRA which was the second company and first SME to join the NI’s Company Membership Scheme.  CRA have worked hard to encourage and develop the next generation of nuclear scientists and engineers through interactions with schools and universities.  Today, CRA’s workforce is 30% female, which is above the industry average.

CRA have long supported the NI’s events programme as delegates, speakers and sponsors.


Honorary Treasurer

Nicola O'Keefe

Nicola is a chartered accountant with extensive knowledge and experience of leading and transforming finance teams.

An experienced auditor with foreign language skills, she began her career with Ernst & Young before working at Pilkington Plc and Independent Insurance in internal audit roles. 

She has worked for Wood for over 17 years and during that time has led teams in both the business and in plc, driving change in the shared service centre, implementing systems and integrating teams following involvement in various acquisitions. She is currently Vice President for Finance and Administration in Wood’s nuclear business which involves overseeing all financial matters including monthly results, budgets and forecasts.

She also has responsibility for facilities management for over 20 offices throughout the UK and overseas.


Chair, Assurance Committee

Dr Fiona Rayment OBE CEng CSci FNucl

Fiona is Director with National Nuclear Laboratory (NNL), leading on Government related programmes. 

She has twenty years' nuclear industry experience, working in technology, operations and strategic planning roles both in the UK and internationally. Fiona is a Chartered Chemist with a BSc (Hons), a PhD in Chemistry and an MBA. 

She is a Fellow of the Royal Society of Chemistry and the Nuclear Institute, a board member of the National Skills Academy Nuclear, a member of the Fusion Advisory Board and the Office of Nuclear Regulation Advisory Board. 

She chairs the Nuclear Skills Strategy Group and was made an OBE in the Queen's 2017 honours list.


Chair, Events Committee

Mark Salisbury FNucI

Mark is currently an advisor to Government with the Nuclear Innovation and Research Office. He graduated with a degree in chemistry from the University of Warwick in 2002 and is a Fellow of the World Nuclear University, Royal Society of Chemistry and Institute of Innovation and Knowledge Exchange. He is a Chartered Chemist and Scientist and sits on the Board of Trustees of the Nuclear Institute, of which he is also a Fellow.

Prior to his current role, Mark worked for Horizon Nuclear Power in numerous positions, latterly as the Operations Development Manager; responsible for developing plans for the operational utility intending to operate Horizon’s plants. This included Horizon’s Technical Apprentice Programme and Training Support Partner. Whilst at Horizon he was one of 7 people to successfully complete the initial operator training on the Japanese Advanced Boiling Water Reactor in Japan through consecutive translation! Prior to this, Mark has worked for British Energy at Sizewell B and for Powergen on nuclear, coal and gas-fuelled power stations in Chemistry and Operations.


Clive Smith OBE CEng FNucl

Clive served in the Royal Navy for 37 years, beginning as an apprentice, rising to the role of Chief Engineer. During his latter period at sea he was awarded an OBE.

Onshore he held a variety of engineering roles relating to nuclear safety and safety regulation. Clive was seconded to the former Department of Trade and Industry and set up a Nuclear Skills Team within the Ministry of Defence.

After leaving the Navy Clive remained engaged in the nuclear skills agenda, initially with Energy Foresight, then as a senior lecturer in the Royal Navy’s nuclear department and with Cogent Sector Skills Council. Clive is currently Principal Engineer with STS Nuclear.


Dr Rebecca Weston FNucl

Rebecca is currently Chief Operating Officer at Sellafield Ltd. Prior to this role, she held a number of senior positions at Sellafield in Operations, Technical and Commercial, and has particular expertise in Special Nuclear Material and the back end of the fuel cycle. Rebecca has an Executive MBA, PhD and is a Chartered Physicist, Chartered Engineer, and is a Fellow of the Institute of Physics. 

She has been a Nuclear Institute volunteer for 10 years, chaired the Cumbria branch for 3 years and served on the Education and Training Committee.

She is a board director of the Centre for Leadership Performance. Rebecca is the Trustee responsible for overseeing the Volunteer network.


Anindya Sen CEng FNucl

Anindya works at the Office for Nuclear Regulation (ONR), where he has been since 2011.

Prior to the ONR he worked at the Department of Transport in the Dangerous Goods Division, as a Regulator to control and regulate the transport of radioactive and nuclear material within the UK. 

He also worked for five years at British Energy Generation Ltd, across 8  nuclear sites in the UK, as part of a team ensuring the safe and reliable operation. He has a Masters in Engineering from the University of Jadavpur, India.