Office for Nuclear Regulation

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ONR Board

The ONR Board's role is to provide leadership, set strategy, agree the overarching policy framework within which ONR operates as a regulator, agree and monitor resources and performance and ensure good governance. The Board is chaired by Nick Baldwin under the terms of ONR's framework document.

Members are:


Nick Baldwin CBE

Nick Baldwin

ONR Chair

Nick was, until July 2002, the Chief Executive of Powergen, having joined the firm in 1989 and having held a series of board-level and senior management positions.

Prior to taking up the role of Interim Chair of ONR (2011 - 2014), he was a non-executive director of Scottish and Southern Energy and the Nuclear Decommissioning Authority. On 1 April 2014, ONR vested as a Public Corporation and Nick was appointed as its Chair for 5 years; Nick will continue to represent ONR on the HSE Board.

Nick is also Chair of the Board of Dimensions UK, a Vice Chair of the Worcestershire Local Enterprise Partnership Board and a non-executive member of the Worcestershire Digital Board.

He is a Chartered Engineer, a Chartered Director, a Fellow of the Institution of Mechanical Engineers, a Fellow of the Institution of Engineering and Technology, a Fellow of the Energy Institute and a Fellow of the Institute of Directors.

Nick was appointed CBE in the Queen’s Birthday Honours List 2017 for services to nuclear safety and security and to the charitable sector.

Jonathan Baume

Jonathan Baume

Non Executive Board Member

Jonathan Baume was until recently General Secretary and Chief Executive of the FDA, a trade union and professional organisation representing senior public sector managers. He is currently one of eleven Civil Service Commissioners and a member of the Advisory, Conciliation and Arbitration Service (ACAS), Council representing employee interests. He has held a number of lay and representative posts in the trade union movement in a career spanning almost 40 years, including a role at the TUC in policy development on employment law and diversity.

Oona Muirhead CBE

Oona Muirhead

Oona was appointed as a member of the Board on 1 October 2014 and is the Chair of ONR's Security Committee. She is also a non-Executive Director for MSS Global, a small ethical auditing company, and provides strategic business advice to Policy Connect, a cross-party think-tank and – from time to time - other companies. She began her career in the Ministry of Defence, was Director of Communications during the Kosovo campaign of 1999 and then Director General responsible for Organisational Change across the MoD. After senior executive roles in DEFRA and the Local Government Organisation she became Chief Executive of the South East England Development Agency in 2011. She also chaired the Nations & Regions Group (South East) for the 2012 London Olympic Games Organising Committee, and is a Trustee of the Royal Navy & Royal Marines Charity.

Bronwyn Hill CBE

Bronwyn Hill

Bronwyn Hill CBE joined the ONR Board on 18 January 2016 for a four year term. Bronwyn is a former Permanent Secretary at the Department for Environment, Food and Rural Affairs and has wide experience in environmental policy, infrastructure, regulation and public service, with a civil service career primarily in the Department for Transport.

Penny Boys CB

Penny Boys

Penny brings to the Board a wide range of experience and expertise from a long career in public service, both at official and Non-Executive Board member level, including an eight year period as one of the first Non-Executive Directors of the water regulator, Ofwat. As a Senior Civil Servant, Penny served in several Departments including the former Departments of Energy, Trade and Industry as well as independent regulators and competition authorities.

Sarika Patel

Sarika Patel

Sarika Patel joined the ONR Board in October 2017 for a five year term. She brings to the Board significant commercial and leadership experience in the public and private sectors, both nationally and internationally. She is a Senior Business Director and Advisor and has a wide range of experience in corporate finance, investor relations and technology.

At Non-Executive Board Member level, Sarika holds a number of positions, including the Gambling Commission, where she chairs the Audit Committee; Imperial Healthcare NHS Trust where she is a Board members and chairs the remuneration committee and the Royal Institution of Great Britain where is she is a Trustee and chair of the Audit Committee.

She is a Chartered Accountant and Chartered Marketer and chairs the ONR Audit and Risk Assurance Committee.

Sir Simon Lister

Sir Simon Lister

Simon was appointed to the Board on 5 March. Predominantly experienced in the Defence nuclear sector, Simon brings to the Board major programme management experience in heavy engineering in nuclear power. Simon is a graduate of the Sloan Fellowship, a Fellow of the Royal Academy of Engineering, and a graduate of the Major Projects Leadership Academy. He was appointed Managing Director of the Aircraft Carrier Alliance in September 2017 overseeing the building of the Queen Elizabeth class aircraft carriers.


Adriènne Kelbie

Adriènne Kelbie

Chief Executive

The ONR Board appointed Adriènne Kelbie as Chief Executive of the Office for Nuclear Regulation from 18 January 2016. She comes to ONR from the Disclosure and Barring Service which safeguards vulnerable people and has undergone significant change since its formation in 2012. Her role reflects its significant public profile, sensitivity of data and need for finely balanced decisions.

Adriènne has spent the last nineteen years in senior leadership roles in the public sector, fifteen at Board level. She was previously the Deputy Chief Executive of Hull City Council, where she led major organisational change to improve corporate support to all council frontline services during unprecedented budget cuts. Prior to that she held a range of corporate and operational roles in large scale lottery funding.

She brings significant leadership skills and expertise, having led several challenging change programmes, crediting her successive committed and customer-minded teams.

A Chartered Fellow of the Chartered Institute for Personnel and Development, she recently graduated from Oxford University's Major Programme Leadership Academy.

Mark Foy

Mark Foy

Chief Nuclear Inspector

In 2017, Mark Foy was appointed Chief Nuclear Inspector (CNI) at the Office for Nuclear Regulation. As CNI he is the regulatory head of the organisation and executive member of the ONR Board. During the last 15 years, he has successfully led ONR’s regulatory activities across various sectors of the nuclear industry including civil reactor new build, power reactor operations, spent fuel and radioactive waste management and defence.

Mark is a Chartered Fellow of the Nuclear Institute and an accomplished nuclear safety professional with 30 years’ experience in the defence and civil sectors. He has demonstrable knowledge of the industry, the safe management of its hazards and the associated UK regulatory regime. Mark’s career encompasses many successful managerial and leadership roles within the nuclear industry. As a result, he has developed extensive in all aspects of the nuclear lifecycle, from design and commissioning through to operation and decommissioning. Mark currently holds a number of senior international positions. He is the UK Member and Vice Chair of the EU’s European Nuclear Safety Regulators Group (ENSREG) and also sits on the Nuclear Energy Agency’s Committee on Nuclear Regulatory Activities (CNRA). The CNRA provides a forum in which senior representatives from national regulatory bodies can exchange information and experience and influence continuous improvement in regulation and nuclear safety.

Sarah High

Sarah High

Finance Director

Sarah graduated from the University of Durham in 1993 with a Geography degree and qualified as a Chartered Accountant with PricewaterhouseCoopers in 1998, working in the PwC Greater London Public Sector Audit and Advisory division until relocating to the North West in 2000. Sarah joined BAE SYSTEMS as an Internal Audit Manager and business advisor to the Operations business in 2000 before moving to EDS in January 2002 to a senior management accounting finance role supporting the DWP account. She joined the Civil Service (DWP) in May 2004 and held a variety of senior positions in the Department including Head of Commercial Support, Deputy Director of Finance (DCS), Head of Finance Policy and Practice (Resource Account lead), Head of DWP Business Intelligence, Senior Finance Business Partner for Pensions and Operational Excellence Directorates and Head of Finance Profession Capability. Sarah joined the organisation as our Finance Director in June 2016.

Dave Caton

Dave Caton

Director of Human Resources

Dave is ONR's HR Director and an Executive Board Director. A HR professional with over 30 years' experience in the public sector, he joined the Civil Service in 1984 and ONR in 2013. Dave has undertaken a range of roles providing managerial, policy and operational experience across a number of public sector organisations including Home Office, Department for Education, Government Office and Connexions. Dave was a participant on the Civil Service Fast Track Development Programme and, following roles as a senior policy adviser at Home Office and Department for Education, he focused on a career in HR. He is a Chartered Fellow of the Chartered Institute for Personnel and Development. Dave also has gained private and voluntary sector experiences through roles in insurance industry and supporting community regeneration projects.