Board Directors

Graham Clarke, Chairman

Graham ClarkeGraham has a master’s degree in Biophysics, an MBA and also holds a professional financial qualification, gained when working for Deloitte LLP. He is currently a non-executive director of the NHS Health Research Authority and chairs its Audit & Risk Committee.

He is also a governing member of the Institute of Cancer Research, trustee and treasurer of CLIC Sargent Children’s Cancer and Independent Audit chair for Mind, the mental health charity. He has been CEO of a Cambridge University spin-out immunology business and prior to that, has worked in senior positions in the commercial sector within healthcare and life sciences.

David Archer, Chief Executive Officer

David ArcherDavid joined HUC in June 2007 to assist in the creation of the organisation and lead the operational focus of delivering the new countywide service. His involvement with urgent care provision dates back to 1996 in North Yorkshire, where a number of organisations developed to become the largest GP Co-operative in the UK. Since then he has held a number of board level posts, leading on operations and development of different planned and unplanned care services. Most recently, he has led on the development of our nationally recognised NHS 111 service.

David is passionate about promoting innovation, the use of technology in healthcare and integration of services to deliver high quality, locally delivered care. David leads on the development of new services as well as focusing on the formation of new partnerships to support sustainable delivery of services.

Chris Middleton, Chief Finance Officer

Chris MiddletonChris joined HUC in February 2019 as Chief Financial Officer having previously been working as an independent consultant.  As a Fellow of the Chartered Institute of Management Accountants (FCMA) Chris has over 20 years of financial experience gained in both SME and large corporate environments with over 10 years operating at board level.  He has worked across diverse sectors including supply chain and logistics, consulting, pharmaceuticals and facilities management.

Chris also spent some time as a police officer in London. He has significant experience in fast moving, low margin environments and is passionate about bringing change and transformation to organisations and building strong, high performing teams.

Dr Sivanthi Sivakumar, Chief Medical Officer

Sivanthi SivakumarDr Sivanthi Sivakumar joined HUC in June 2021 as Chief Medical Officer. Sivanthi has a clinical background incorporating General Practice, Emergency Medicine and Urgent and Unscheduled Care. Initially a GP in South London, she continued to develop her emergency skill set as a clinical trust fellow in a busy Emergency Department with a Major Trauma Unit.

Sivanthi has a proven record of service improvement, driven by her strong belief in the importance of the quality of the patient experience; that patients should not only receive the highest standard of clinical care, but that they should also feel respected, involved and cared for.

Janice Greenhill, Chief Operating Officer

Janice GreenhillJanice joined HUC in September 2019 in the newly created role of Director for Performance and Delivery. She has a bachelor’s degree in Community Nursing Studies and Primary Health Care as well as a master’s degree in Management of Health & Social Care. In addition to her clinical background, Janice has strong experience on a senior management level as a transformational leader, working for a range of care providers in a complex industry.

Having joined HUC at an exciting time, Janice role is to engage with our operational teams and stakeholders to identify transformation opportunities and to deliver improvements in quality, operational and commercial performance. She leads on resolving challenging operational issues in a pressurised and time critical environment, whilst supporting the delivery of HUCs ambitious growth agenda. In November 2020, Janice’s job title changed to Chief Operating Officer to reflect the wider NHS landscape.

Sarah Robertson Goldsworthy, Chief Commercial Officer

Sarah Robertson GoldsworthySarah Robertson Goldsworthy joined HUC as Head of Development in July 2015. She played a vital role in driving the recent growth of the organisation building on HUC’s wealth of experience in the NHS111 and Out of Hours sectors and helped successfully build a strong integrated urgent care and primary care portfolio.

In May 2018, Sarah was appointed Director of Business Development and Strategy, which reflects the importance of growth, planning and service development to HUC. In May 2020, her job title was changed to Commercial Director to reflect her portfolio and team.

Sarah has excellent experience in service development and improvement having worked both in key roles in other healthcare provider organisations as well as in commissioning organisations. At HUC, she is also a member of the Finance and Audit Committee.

Non-executive Directors

Conor Burke, Non-Executive Director

Conor BurkeConor joined HUC in 2021. He began his career as an Occupational Therapist and then worked as an NHS manager in London. Until 2018 he was Chief Officer of Barking & Dagenham, Havering and Redbridge Clinical Commissioning Groups where he led a series of major performance, quality and financial turnaround initiatives locally and across London as the Senior Responsible Officer (SRO) and Chair of the North East London STP Transformation Board and Chair of the London Urgent & Emergency Care Improvement Board.

He has also worked for a range of consulting firms leading work on change management, governance, organisational development, risk management and informatics. He now works as an independent advisor building bridges between NHS systems and providers, innovators, health-tech companies and investors to help transform the delivery of health and care.

Dr Tim Jollyman, Non-Executive Director

Tim JollymanDr Tim Jollyman joined HUC as a Non-Executive Director in March, 2021. He has worked in the NHS since 1993, predominantly as a general practitioner in Hertfordshire until 2020. During that time, he has provided leadership in clinical governance, service development and quality improvement in many spheres.

He continues his passion for patient care and innovation, combining general practice at a leading investment bank in the City of London together with Clinical Leadership at a rapidly expanding MedTech company. At HUC, he will be able to use his knowledge and experience of healthcare provision to help the company reach its key clinical priorities and commitments.

Tracey Taylor-Huckfield, Non-Executive Director

Tracey Taylor-HuckfieldTracey has over 25 years experience in human resources and organisational development, including as a Board Director, with a strong Brand and marketing strategy background too. She has been instrumental in the strategic and cultural development of a variety of organisations across the charity and public sectors.

Tracey is currently the Director of People and Corporate Services at Sue Ryder.


Nigel Hopkins, Non-Executive Director

Nigel HopkinsNigel started his career in accountancy, initially at Ernst & Young and then PwC, with much of his subsequent career at executive level in well-known organisations, in Finance Director positions. He has substantial recent experience in social housing, retirement and care organisations. Nigel has significant experience both at Board level and in chairing various Board committees, across commercial, public and voluntary sectors. He is currently chair of Social Finance End of Life Care Integrator and Macmillan Operational Board.

Nigel will chair the newly formed Finance, Investment and Audit Committee on behalf of the Board. This has been established to further enhance HUC’s governance and will incorporate the role previously undertaken by the Audit and Risk Committee and elements of the Business Management Committee.