The Board of Directors has overall responsibility for the strategic direction of the Trust and is made up of Executive and Non-Executive Directors.  The Board of Directors is collectively responsible for the performance of the Trust (excluding particular responsibilities of the Chief Executive as the Accountable Officer).

To see the structure of the Board of Directors click here

To see the Terms of Reference for our Board of Directors click here.

The declarations of interests made by our Board Members can be accessed at:

Biographies for our Board Members are provided below:


The Chair is responsible for leading and managing the Board of Directors, the Council of Governors and is responsible for its overall effectiveness in leading and directing the Trust.  The Chair is also responsible for ensuring that the Board and Council work together effectively.

Annette Laban

Annette was appointed to the Board as a Non-Executive Director in July 2013 and was appointed Trust Chair from 1 January 2021. Annette has more than 35 years’ experience working within the NHS and local government in senior positions and throughout her career she has been responsible for overseeing many innovations which have directly impacted on frontline NHS care. Her past roles have included Chief Executive for NHS Doncaster, Director of Performance and Operations at NHS North of England - Strategic Health Authority and Executive Director of Performance and Delivery at NHS Yorkshire and the Humber.

Annette also holds independent Non-Executive Director roles at Marie Stopes International and Cheswold Park Hospital.

The Executive Directors

The Board of Directors delegates the management of the Trust to the Executive Directors who make up the Trust Executive Group.

Trust Executive Group are experienced NHS professionals with specific management and operational skills.  They are responsible for the day-to-day operational management of the organisation.

Chief Executive 

As the Accountable Officer the Chief Executive Officer reports to the Chair and the Board of Directors, leads the executives and is responsible for the running of the organisation.

Kirsten Major

Kirsten was appointed as Chief Executive in 2019. She joined the Trust in February 2011 as Director of Strategy and Planning. Kirsten took up the position of Interim Chief Executive in August of 2018. She has held a number of Director level positions within the NHS, including Health Boards in Scotland and at the North West Strategic Health Authority. Kirsten is a health economist by profession and was active in a range of professional and research-based collaborations.


Chief Nurse

Professor Chris Morley

Chris joined the Trust as Chief Nurse in October 2018 from The Rotherham NHS Foundation Trust where he also held the position of Chief Nurse. Prior to this Chris was Deputy Chief Nurse here at Sheffield Teaching Hospitals.

He has previously held a number of leadership roles in healthcare governance, patient safety and nursing management.

Chris is a Visiting Professor in the College of Health, Wellbeing and Life Sciences at Sheffield Hallam University and the nominated Chief Nurse for the North-East and Yorkshire Genomic Medicine Service Alliance

Chief Finance Officer

Louisa Cowell

 Louisa was appointed to the role of Chief Finance Officer in 2024, having joined the Trust in January 2022 as one of two Deputy Chief Finance Officers. She has previously held senior finance posts in Acute, Community, Mental Health and Commissioning NHS organisations in the East of England. Louisa is a member of the Institute of Chartered Accountants in England and Wales (ICAEW).



Medical Director (Development)

Dr David Black

 David was appointed in February 2022. Prior to this David was acting regional medical director for NHS England and improvement north-east and Yorkshire region. He was also part time deputy medical director at the Rotherham NHS FT. Since 2012 David has worked for NHS England, and his responsibilities included specialised commissioning, systems oversight and also responsible officer and experienced medical appraiser.

David was director of public health in Derbyshire from 2002 until 2012. David began his career in general practice, and he also worked overseas in a psychiatry and general practice. David has a longstanding interest in clinical effectiveness and he was a member of a NICE Technology Appraisal Committee for 9 years. David is interested in reducing health inequalities and the part the NHS can play in meeting the needs of vulnerable and disadvantaged patients.

Medical Director (Operations)

Dr Jennifer Hill

Jennifer joined the Trust in 1999 as Consultant Respiratory Physician having trained in Nottingham, Leeds and Glasgow. Jennifer was Clinical Director for Respiratory Medicine and Deputy Medical Director before taking up the post of Executive Medical Director (Operations) in December 2020.




Director of Human Resources and Staff Development

Mark Gwilliam

Mark is currently Director of Human Resources and Staff Development. He took up his original post as Director of Human Resources and Organisational Development in May 2009 and brings with him a wealth of experience. He was previously an Associate Director of Human Resources at Central Manchester University Hospitals NHS Foundation Trust where he worked for three years. Mark joined the NHS in 2004 through the Gateway to Leadership Programme and was assigned on placement at Sheffield Teaching Hospitals NHS Foundation Trust. Prior to this he worked in the fast moving consumer goods sector in numerous operational management and human resource management roles.

Chief Operating Officer

Michael Harper

Michael grew up in Sheffield and went to Salford University to complete a Business Management and Mathematics degree. He joined the NHS Management Training Scheme and undertook placements at Bassetlaw Hospital, Sheffield City Council and Good Samaritan Hospital Phoenix, Arizona USA.




Director of Strategy and Planning

Mark Tuckett 

Mark joined the Trust in April 2022 as Director of Strategy and Planning. He has worked in Sheffield for ten years – in performance, policy and strategy roles at Sheffield City Council, and as Director of the Sheffield Health and Care Partnership. Before this, he worked in a range of sectors and roles, including at Transport for London; at McKinsey; and in the charity sector working in sub-Saharan Africa.




Other directors who attend the board

Assistant Chief Executive

Sandi Carman

Sandi has almost 30 years’ experience working in NHS acute, community, and commissioning organisations. Sandi’s career started in Occupational Therapy at the Northern General Hospital and she has since gained a wealth of experience in operational and managerial roles.

Sandi is a Director for Legacy Park Limited and a Joint Independent Audit Committee Member for the South Yorkshire Police and Crime Commissioner. She holds a Masters degree in Healthcare Practice and has achieved the NHS Leadership Academy Award in Executive Healthcare Leadership.

Communications and Marketing Director

Julie Phelan

Julie spent her early career as a journalist in both print and broadcast media before moving into public sector communication in local government and health. She was previously Head of Communications at Sandwell and West Birmingham Hospitals NHS Trust, Head of Communications for Birmingham Women’s Hospital and Director of Communications for Worcestershire Acute Hospitals and Worcester Health Authority. Before joining the Trust in June 2008, Julie was Director of Communications for University Hospitals Coventry and Warwickshire NHS Trust.



Non-Executive Directors

Non-Executives provide constructive challenge and strategic guidance, offer specialist advice and lead in holding the Executives to account.

Over half of the Board of Directors, excluding the Chair, are Non-Executive Directors and should be considered to be independent.

Non-Executives appoint the Chief Executive.

Shiella Wright

Shiella Wright joined the board in April 2019, bringing with her over 11 years experience as a NHS Non-Executive Director. She has served on several Public and Voluntary Sector Boards and is the current Chair of Age UK Nottingham and Nottinghamshire and a Trustee of Improving Lives CIC. Shiella is the former Deputy Chief Executive, Director of operations of Nottinghamshire Probation Trust. She has developed and delivered transformational change, in particular Organisational development, performance and leadership. She has also developed and delivered a mentoring scheme for under represented groups, which has been adapted by NHSI for its nExt Director Scheme. Shiella hails from Sheffield and has worked in many executive roles across Yorkshire and Humberside.

Dean Royles

 Dean commenced in post from 1 September 2023.

Dean is a highly experienced NHS leader. He is the former Executive Director of HR and OD at Leeds Teaching Hospitals NHS Trust, Chief Executive of NHS Employers and Director of Workforce and Education at NHS North West. He has been Chair of the Chartered Institute of Personnel and Development and President of the Health People Management Association and is currently a Non-Executive Director at Humber NHS Foundation Trust.

Dean has a long association with Sheffield, having commenced his career with Sheffield Council, and has lived in the city for over forty years.

Tony Buckham

Tony brings a wealth of experience from his time working within complex global organisations. He has provided strategic support to the HSBC Group Management Board Directors, with particular expertise within IT and Corporate Real Estate for over ten years. He has led divisions of up to 7000 staff with particular focus on people development to enable global transformational change. He has also made a significant contribution to mentoring and coaching programmes.


Professor Ashley Blom

Professor Ashley Blom joined the Board of Directors as the University of Sheffield representative in April 2023.

He is the Vice-President and Head of the Faculty of Medicine, Dentistry and Health at the University of Sheffield, and from 2019-2022 was Head of the Medical School at the University of Bristol.He trained as an orthopaedic surgeon and is a Fellow of the Academy of Medical Sciences, an NIHR Senior Investigator and past-President of the European Orthopaedic Research Society.

Rosamond Roughton

Rosamond brings widespread experience of working in policy at national level, as well as experience at board level in the NHS. Most recently, she was the Director of Adult Social Care at the Department of Health and Social Care (DHSC). Prior to her DHSC role, Rosamond was an Executive Director at NHS England, where from 2014 she had national responsibility for general practice and primary care services and the commissioning of armed forces healthcare, national screening and immunisation programmes, healthcare for people in the criminal justice system, and sexual assault referral services. Her NHS career has also included Director of Workforce and HR at the Christie Hospital NHS Trust and Director of Strategy for Yorkshire and the Humber NHS. She is an honorary fellow of the Royal College of General Practitioners.

Maggie Porteous

Maggie Porteous joined the Trust in May 2021. She has more than 30 years of business experience working for John Lewis, where she was Director of Shop Trade until 2020 and responsible for the leadership of 51 John Lewis shops. She is also Chair of the John Lewis Foundation, working with a wide variety of non-governmental organisations and charities on international and UK projects, and a non executive Director of Silva Homes, a not for profit social housing association.


Dr Toni Schwarz

Dr Toni Schwarz joined the Trust in May2021. She has had a 35 year career working within the health sector and the NHS, and is the Dean of the College of Health Wellbeing and Life Sciences at Sheffield Hallam University. She trained as a nurse and worked in clinical practice in hospital and the community for almost 20 years before moving into higher education. She moved to Sheffield in 2014 to take up the role of Head of Department for Nursing and Midwifery at Sheffield Hallam before stepping up to the position of Dean.

Ann Harris

Ann Harris joined the Board of Directors in April 2023.Ann’s experience is predominantly within the public sector, in Finance, governance and major change programme roles, most recently holding a senior role in Universal Credit. Since leaving full time work, Ann has held a number of Executive and Non-Executive roles which include the Gambling Commission, The Pension Advisory Service, Defence Business Services and Citizens Advice. She is currently a Non-Executive Director and Chair of Audit and Risk Assurance Committees in both Social Work England and The Money and Pensions Service.



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