Board members

In December 2021, we announced our new group executive team to lead the St George’s, Epsom and St Helier hospital group – visit our website here to learn more about the group executive team.

Gillian Norton, Chairman

Gillian Norton was appointed Chairman in April 2017, having been a Non Executive Director since June 2016. She spent her executive career in local government, serving as Chief Executive for a total of 23 years, the last 17 of which were in London Borough of Richmond. She is also Representative Deputy Lieutenant for Richmond and was awarded OBE for services to local government. In October 2019, Gillian also became Chairman of Epsom and St Helier University Hospitals NHS Trust.



Jacqueline Totterdell, Chief Executive

Jacqueline was appointed the Group Chief Executive of the St George’s and Epsom and St Helier hospitals group in August 2021, after joining St George’s University Hospitals NHS Foundation Trust as Chief Executive in May 2017. Jacqueline is also the CEO Lead for the South West London Acute Provider Collaborative.

A Paediatric Intensive Care Nurse by background, Jacqueline started her general management career at Leeds General Infirmary, moving on to Birmingham Children’s Hospital, after which she spent two years working for the Modernisation Agency.

After two Executive Director posts at Barnet & Chase Farm Hospitals NHS Trust, and then Hillingdon Hospitals NHS Foundation Trust, Jacqueline held Chief Executive positions at Southend University Hospital NHS Foundation Trust and West Middlesex University Hospital where she oversaw the merger of the Trust with Chelsea and Westminster NHS Foundation Trust.

Before taking up her role at St George’s Hospital in May 2017, Jacqueline spent 18 months as part of the Executive Team supporting Barts Health NHS Trust out of Special Measures.

Non-Executive Directors

Ann Beasley, Non-Executive Director (Deputy Chair)

Ann Beasley joined St George’s as a Non-Executive Director in October 2016. She has a background in finance, her most recent role being Director General for the Finance, Assurance and Commercial Group at the Ministry of Justice.

Ann has also been Chair of Trustees for the Alzheimer’s Society. Ann was awarded a CBE in 2010 and in September 2018 was appointed as Chairman of South West London and St George’s NHS Mental Health Trust.



Stephen Collier, Non-Executive Director

Stephen has worked extensively in the private health sector, including a period as Chair of the NHS Partners Network – the trade association for private providers to the NHS.

He is also a Trustee of ReSurge Africa, a Scottish medical charity working in Ghana and Sierra Leone. Stephen took up the role of Non-Executive Director in October 2016.



Jenny Higham, Non-Executive Director

Jenny Higham is Vice Chancellor at St. George’s, University of London. She previously had senior roles at Imperial College and the Lee Kong Chian School of Medicine in Singapore. In addition to managerial roles, she continues clinical practice. She has been named “Mentor of the Year” at the Women of the Future Awards, been awarded a President and Rector’s Award for Outstanding Contribution to Teaching Excellence and the Imperial College Medal for outstanding leadership.



Peter Kane, Non-Executive Director

Dr Peter Kane has a doctorate in economics from the London School of Economics and is a qualified accountant. Throughout his career he has worked in public services, including in the Treasury and Cabinet Office.  His most recent role was the Chamberlain (or Chief Finance Officer) of the City of London Corporation, a job that dates back to 1237.

Peter brings with him a wealth of experience in finance, risk, performance, and of working in partnership to get things done and he is also a non-executive director of the Institute of Fiscal Studies and Historic England Audit Committee Peter joined the St George’s Board on 1 October and is Chair of the Audit Committee and holds a similar role at Epsom and St Helier University Hospitals NHS Trust.

Tim Wright, Non-Executive Director

Tim joined the Department for Education as Chief Information Officer in 2007, a position he held for almost six years. Tim also worked across government, with local authorities, the Cabinet Office and the Government Digital. Prior to joining government, Tim worked for 20 years in the oil and gas industry in IT development, consulting and senior IT leadership roles. He is a Fellow of the British Computer Society and a Member of the Institution of Mechanical Engineers.



Andrew Murray, Non Executive Director

Since 2004, Andrew has been Managing GP Partner and Executive Chair of several large GP practices – he is currently GP Partner & CEO of The Nelson Medical Practice. He has worked for the NHS south west London Integrated Care System in various guises since 2017, and is currently Clinical Lead for Population Health Management, overseeing delivery of the Population Health Management Roadmap and supporting the south west London PHM team and Borough PHM clinical leads.

He has operated as Senior Responsible Officer for Population Health Management (2021 – June 2022); as Medical Director/Clinical Leadership Group Chair (2020 – 2022); as Chair of south west London Clinical Senate (2017 – 2022), where he led clinical input into system strategy; and as Clinical Lead and Programme Senior Responsible Officer for Children & Young People’s Mental Health (2018 – 2020). He was additionally Chair & Clinical Lead, Clinical Commissioning Groups (south west London & Merton) between 2012 and 2022, leading the merger of commissioning operations between Merton and Wandsworth CCGs in 2017.


Chiew Yin Jones, Associate Non Executive Director

Chiew Yin is a barrister with over 25 years’ experience in criminal justice and is an experienced advocate with a substantial casework and litigation background. She also sits as a Legally Qualified Chair for the Police Misconduct Panel in London and the South East region.

She has several health related roles including being a member of the Lay Committee at the Royal College of Anaesthetists and a former trustee of the Cleft Lip and Palate Association.


Executive Directors

Arlene Wellman MBE, Group Chief Nursing Officer

Arlene qualified as a general registered nurse in Trinidad and migrated to the UK with the intention of training as a midwife. However she fell in love instantly with elderly care nursing and has more than 20 years’ experience in this speciality. Arlene holds a first degree in Health and Social Care for Older People and a Master’s degree in Clinical Healthcare Practice.

She has held various senior nursing roles across acute trusts, including Matron, Senior Matron and Divisional Nurse at Oxford University Hospitals NHS Trust.



Paul da Gama, Group Chief People Officer

Paul da Gama joined St George’s as our Chief People Officer in February 2021. Paul joined the Trust from West Hertfordshire Hospitals NHS Trust, where he had been Chief People Officer since 2014. Prior to joining West Herts, Paul was Director of Human Resources at Hinchingbrooke Hospital. Paul began his career as a teacher, working in Japan and Poland, before joining banking group, HSBC, where he worked for 10 years. He has also worked at Royal Mail Group, where he held a variety of different senior HR roles.




Andrew Grimshaw, Chief Financial Officer/Deputy Chief Executive

Andrew Grimshaw joined St George’s as our Chief Financial Officer in June 2017. Andrew was previously Director of Finance at London Ambulance Service, and was also Acting Chief Executive at LAS between January and June 2017.
Prior to joining LAS, Andrew worked at a number of teaching, specialist and district general hospitals, having joined the NHS as a trainee accountant in 1989. Andrew was also appointed Deputy Chief Executive in May 2019.




Dr Richard Jennings, Group Chief Medical Officer

Dr Richard Jennings joined the Trust in December 2018 as our Chief Medical Officer. Richard joined St George’s from Whittington Health NHS Trust, where he had been Executive Medical Director for four years. Dr Jennings specialises in infection and acute medicine, and underwent his training at the London School of Hygiene and Tropical Medicine. Before becoming Executive Medical Director at the Whittington, he held the posts of Clinical Director for medicine and then Deputy Medical Director.




Stephen Jones, Group Chief Corporate Affairs Officer

Stephen joined the Trust as Director of Corporate Affairs in March 2018. Stephen was previously Chief of Staff and executive lead for corporate governance at the General Medical Council. Prior to this, Stephen worked as Stakeholder Engagement Director on Co-operation and Competition policy at Monitor (now NHS Improvement). He also held a number of senior policy roles within the Department of Health, including on provider policy, the NHS Constitution and legislative reform, and served as Senior Private Secretary to the Minister for Quality.



James Marsh, Deputy Group Chief Executive Officer

James has been at Epsom, Sutton and St Helier hospitals for more than 11 years, joining as a renal (kidney) consultant in 2003, before being made lead consultant for transplantation and, subsequently, clinical director for renal services. He was appointed as Deputy Medical Director in 2011.

He graduated with first class honours from the University of Oxford in the mid-1980s, continuing his clinical training at Guy’s Hospital where he earned a Distinction in pathology, surgery, pharmacology and therapeutics.



Thirza Sawtell, Managing Director for Integrated Care

Thirza began her career as a Health Visitor before moving into the operational management of community services and then into the commissioning and strategic planning of health and care services across a number of areas of London.

For the past six years she has worked in SW London and Surrey as the Executive Director of Integrated Care for Epsom and St Helier University Hospitals NHS Trust, responsible to the Partnership Boards of Surrey Downs and Sutton each of which deliver a wide range of truly integrated community services for their local communities. Prior to this she was Director of Strategy for the North West London Collaboration and led the Pioneer Whole System Integration Programme.


Kate Slemeck, Managing Director for St George’s Hospital

Kate previously worked at Royal Free Hospital as director of operations in 2011 before being appointed as chief operating officer in 2012 and then becoming chief executive of the Royal Free Hospital in 2018.

Kate originally trained as an Occupational Therapist. Her previous roles also include Director of Operations and Chief Operating Officer and she has nearly 30 years’ NHS management experience, mainly in acute trusts (including Northwick Park Hospital and the Royal Hospital for Neurodisability).