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 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 also chairs the Quality Management Board for Aegis Defence Services Ltd, and has served as both an interim Director and now Board Member of the Security in Complex Environments Group. 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 has joined the ONR Board following her appointment by the Secretary of State (SoS) for Work and Pensions. Her appointment commenced on 18 January for a four year term.

Bronwyn brings to the Board a wide range of experience and expertise in the delivery of infrastructure and services. Bronwyn is a former Permanent Secretary at the Department for Environment, Food and Rural Affairs and has wide experience in 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 will chair the ONR Audit and Risk Assurance Committee from January 2018.


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

Mark's 30-year career has been spent working across the civil and defence nuclear industry, half of it as a nuclear regulator. For the last four years he has been a Deputy Chief Nuclear Inspector working on some of ONR’s most significant programmes including Sellafield, decommissioning, defence and civil reactors.

Mark Foy - Register of interests

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 eth 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.