Board of Directors

Headshot of board member, David Walker

David Walker


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David Walker was appointed Chairman of Oxford Health in 2019. 

Prior to this he served on the Board of Central and North West London NHS FT since 2011. 

David has extensive NHS experience, including recent work on transformation plans for three Sustainability Transformation Plan areas and representing his trust in forums with national NHS bodies. 

Previously, he has been a trustee of the Nuffield Trust, the National Centre for Social Research, a Board member of social landlord Places for People and a council member of the Economic and Social Research Council.

Until 2010 David was Managing Director responsible for Communications and Public Reporting at the Audit Commission. 

As a journalist he was a leader writer for The Times, chief leader writer for The Independent, founding editor of the Guardian’s Public Magazine and he has worked as a local government and social policy correspondent. 

He is the author of several books and is currently the chair of the Understanding Society (the UK household longitudinal study) and a contributing editor of the Guardian’s Public Leaders Network.

Headshot of CEO, Dr Nick Broughton

Dr Nick Broughton

Chief Executive

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Nick was appointed Chief Executive Officer of Oxford Health NHS Foundation Trust on June 15, 2020.

He brings a wealth of experience to Oxford Health, having joined the Trust from Southern Health NHS Foundation Trust, where he lead the organisation from a Care Quality Commission (CQC) rating of ‘Requires Improvement’ in 2017 to ‘Good’ in January 2020.

Prior to that Nick was chief executive of Somerset Partnership NHS Foundation Trust.

As a consultant psychiatrist for more than 20 years specialising in forensic psychiatry, he has held medical and clinical director roles, and a variety of other managerial positions, including as a director of Imperial College Healthcare Partners. He obtained his medical degree from Cambridge and completed his training at St. Thomas’ Hospital, London.

Headshot of board member, Marie Crofts

Marie Crofts

Chief Nurse

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Marie has been a nurse for over 30 years and a senior manager with provider and commissioning organisations.

She has also worked at a regional level, implementing evidence-based practice and working with carers to influence change.

Her experience covers both mental health and community physical health services.

She has been Director of Nursing in a mental health and learning disability organisation – 2gether NHS Foundation Trust and most recently was Director of Mental Health at Birmingham Women’s and Children’s NHS Foundation Trust. Marie joined Oxford Health on June 3, 2019.

Headshot of Dr Karl Marlowe

Dr Karl Marlowe

Chief Medical Officer

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Dr Karl Marlowe joined Oxford Health as Chief Medical Officer (CMO) on 10 May 2021.

Karl was previously CMO at Southern Health NHS Foundation Trust where, since April 2018, he was responsible for the clinical leadership of 6,000 staff across more than 300 sites – including five community hospitals – and a £320m budget.

A consultant psychiatrist, Dr Marlowe’s extensive training has taken in Liverpool Medical School, Barts and The Royal London, Maudsley Hospital and Guys and St Thomas Hospitals. He holds post-graduate qualifications from UCL and the Institute of Psychiatry, as well as Oxford’s Said Business School.

He has previously been clinical director of adult mental health at East London NHS Foundation Trust, and continues to chair the Social Interest Group – a not-for-profit organisation set up to enrich and extend opportunities for people facing social and health exclusion.

He is also passionate about climate change and at Southern Health worked hard to raise the profile of the need to reduce air pollution. He also led on embedding a quality improvement methodology across the Trust.

Headshot of board member, Mike McEnaney

Mike McEnaney

Director of Finance

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Mike commenced his financial management career in consumer goods with Hoover adding multinational experience gained in the oil and consumer lubricants sector with Burmah Castrol.

He has substantial experience at the executive level gained as Finance Director of Honda’s UK manufacturing operations, Avis’s UK car rental business and a private equity backed global business.

Together with the financial experience gained in manufacturing and commercial organisations, he has experience of managing IT and HR.

Headshot of Charmaine De Souza

Charmaine De Souza

Chief People Officer

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Charmaine De Souza joined Oxford Health as Chief People Office on October 4, 2021.

Prior to her arrival she was HR Director at Greater London Authority, the capital’s unique devolved governance body which supports the Mayor of London and London Assembly.

She led on the design and delivery of the Mayor’s flagship talent programme for women across the GLA Group –  Our Time - which encourages the progression of women into senior leadership roles to support the ambition to reduce the gender pay gap.

Charmaine has worked across a range of organisations in the public sector, starting her career as a graduate trainee at the BBC where she qualified as an HR professional.

Moving to the Civil Service, Charmaine undertook policy and delivery roles working on police reform (Home Office), youth crime and antisocial behaviour (Department for Education).

Charmaine then returned to the HR profession, rising to be a senior civil servant undertaking an HR Director role at HM Revenue and Customs before doing a spell at the Cabinet Office on senior leadership talent.

Charmaine holds a MSc in Organisational Behaviour from Birkbeck College and is a member of the Chartered Institute of Personnel Development (CIPD).

Headshot of Dr Ben Riley

Dr Ben Riley

Executive Managing Director for Community,
Primary and Dental Care
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Dr Ben Riley started his Board role in May 2020. His aim is to enable closer and better working across community, primary, social care, and third sector partners to improve services for patients and enhance the health of our local communities. Ben was formerly Chief Clinical Officer and Chair at OxFed, a GP federation in Oxfordshire. He is also joint clinical director of the ‘Healthier Oxford City’ Primary Care Network (PCN), which comprises three city practices and OHFT’s Luther Street Medical Centre, caring for a diverse population of 42,000 patients in central and north Oxford, including the homeless population and significant numbers of students as well as a health-deprived older population. As a part-time GP at Oxford’s busy 19 Beaumont Street Surgery, Ben has an interest in frailty and has been the lead doctor for a nursing and care home that includes patients with complex healthcare needs and dementia. He previously worked in Aylesbury and for seven years as a GP in Faringdon. He is a Fellow of the Royal College of General Practitioners and has held leadership roles at national level. As the RCGP’s Medical Director of Curriculum and GP Education from 2012-19, Ben led the team that updated the national curriculum for GP training, which was rolled out into GP training programmes across the UK in August 2019. Before this he led the College’s e-learning programme, co-authored several national strategy documents and has produced over 250 educational resources and publications for the NHS workforce. He was a Trustee of Lymphoma Action, a leading national charity for people with lymphatic cancer, from 2012-18.
Headshot of board member, Kerry Rogers

Kerry Rogers*

Director of Corporate Affairs and Company Secretary

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Kerry Rogers joined the Board of Directors* as Director of Corporate Affairs and Company Secretary on 1 September 2015.

Kerry has held Director level roles in the NHS prior to coming to Oxford Health NHSFT, most recently with Sherwood Forest Hospitals NHS Foundation Trust in the Midlands.

With over 20 years’ experience in business and finance in both public and private sectors, Kerry champions good governance and in her company secretary role provides the essential interface between our Board and all of our stakeholders.

Prior to joining the NHS in 2005, her early public sector career was as an Inspector of Taxes. She then went on to be a finance director and company secretary in the private sector, contributing to the strategic direction and operational excellence of businesses.

*Non-voting board member

Headshot of board member, Martyn Ward

Martyn Ward*

Executive Director for Digital and Transformation

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Martyn joined the NHS in September 2016 and was appointed to the Board of Directors as Director of Strategy & Performance in January 2018, and the Trust’s Chief Information Officer  in July 2018.

As an engineer with a background primarily in IT and information, Martyn has 27 years’ public service experience and has served in the Royal Air Force, Thames Valley Police and most recently, at Oxfordshire County Council, where he led IT Services from 2012.

During his time at Oxfordshire County Council, Martyn played a key role in securing the investment required to improve broadband throughout rural Oxfordshire and was a member of the joint board that was setup with BT to oversee delivery.

Martyn brings significant experience of leading organisational change and transformation and is particularly focused on the development of integrated services with both private and public sector partners.

He has recently completed the director programme at the NHS Leadership Academy, in addition to previous training courses hosted by the Ashridge Business School and the Office of Public Management.

*Non-voting board member

Headshot of board member, John Allison

Sir John Allison KCB CBE

Non-Executive Director

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Sir John was appointed to the Board on 1 April 2015, having previously been appointed Associate* Non-Executive Director from 1 October 2014.

He had a long distinguished career with the Royal Air Force, retiring with the rank of Air Chief Marshal. Subsequently he was a Director of Jaguar Racing Ltd and then a Project Director for Rolls Royce Plc.

He was also a member of the Criminal Injuries Compensation Appeals Tribunal for 13 years. Sir John was elected President of Europe Air Sports in 2004 and served for 5 years. He was President of the Light Aircraft Association from 2006 to 2015.

Sir John is a Knight Commander of the Order of the Bath and a Commander of the Order of the British Empire. Between December 2005, and March 2013 he served as Gentleman Usher to the Sword of State; the officer of the British Royal Household responsible for bearing the Sword of State on ceremonial occasions.

*Non-voting member while an Associate Non-Executive Director.

Headshot of board member, Bernard Galton

Bernard Galton

Non-Executive Director

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Bernard had a long and successful Civil Service career and retired in 2014 from his role as Director General in the Welsh government. He has 15 years executive board experience, and has also been a Non Executive Director in both an NHS Foundation Trust and a private sector joint venture company.

He led a large corporate services department and was Head of Profession for Human Resources and Organisation Development across all public service bodies in Wales, and responsible for complex multi-million pound contracts with key private sector suppliers across ICT, property and facilities management and learning and development. He is also a Chartered Fellow of the Chartered Institute of Personnel and Development.

He also worked at the highest level in NHS Wales gaining an in depth understanding of the key strategic issues facing health and social care services and the professional and operational challenges facing clinical leaders.

Headshot of board member, Chris Hurst

Chris Hurst

Non-Executive Director

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Chris was appointed in April 2017 and is a consultant and executive coach with 25 years’ board experience, working in both executive and non-executive roles.

He is a chartered accountant and has worked in the banking and technology sectors, in local and national government and as a Deputy CEO in the NHS.

He is a Board Trustee of the Healthcare Financial Management Association (HFMA) and a non-executive director of a small digital development company.

Kia Nobre

Non-Executive Director
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Prof Kia Nobre, Head of the university’s Department of Experimental Psychology, took up her role in July. Prof Nobre is Director of the Oxford Centre for Human Brain Activity (OHBA), Chair of Oxford Neuroscience Strategy Committee, Professorial Fellow at St Catherine’s College and Head of the Brain & Cognition Lab. Prof Nobre grew up in Rio de Janeiro, Brazil, and obtained her PhD in the United States in 1993, carrying out postdoctoral research at Yale University, working with a specialist Cognative Neurology and Alzheimer’s group at Harvard Medical School and then Northwestern University. Oxford has been her home since 1994 when she arrived in the city to take up a McDonnell-Pew Lectureship in Cognitive Neuroscience and a Junior Research Fellowship at New College. She holds the Chair in Translational Cognitive Neuroscience at Oxford, shared between the Departments of Psychiatry and of Experimental Psychology and linked to St Catherine’s College. She continues to collaborate with the Mesulam Centre for Cognitive Neurology and Alzheimer’s Disease as an adjunct professor at Northwestern University in Chicago, USA. Among many roles and interests, she is also a member of the University Council and serves on its research, innovation, and education committees.
Headshot of board member, Mohinder Sawhney

Mohinder Sawhney

Non-Executive Director

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Mohinder Sawhney, was appointed a Non-Executive Director in January 2021. A senior adviser to international companies and non-profit organisations, Mohinder is an economist who has extensive experience advising organisations large and small, including the World Bank, the Department for International Development, Diabetes UK, Hampshire County Council, and the Bank of England.

Mohinder, whose name is sometimes abbreviated to ‘Mindy’, is a speaker of Croatian, who has worked extensively in former Yugoslavia. In 2020 she completed her final third term as Chair of Revitalise, a charity providing respite breaks for disabled people and carers.

Headshot of board member, Lucy Weston

Lucy Weston

Non-Executive Director

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Lucy was appointed as an Associate Non-Executive Director in September 2017 and became a Non-Executive Director in March 2019. She is a chartered accountant who has spent most of her career in the private and charity sectors. 

She is a Non Executive Director (Vice Chair) of Soha Housing and a Governor of Oxford Brookes University.

Page last reviewed: 15 October, 2021