Non-Executive Members

Professor John Iredale

Professor John Iredale

John is Pro Vice Chancellor Health and Life Sciences at the University of Bristol. He holds the chair of Experimental Medicine, and his areas of leadership and responsibility are for the research, teaching and management strategy for the Schools of Medicine, Veterinary Medicine, Dentistry, Biochemistry, Cell and Molecular Medicine, Physiology, Pharmacology and Neuroscience, Biological Sciences and Psychological Science across the relevant Faculties at the University of Bristol. He also holds Honorary Consultant contracts with the North Bristol NHS Trust and the University Hospitals Bristol Foundation Trust.

Professor Iredale is the Chair of REF 2021 Main Panel A. Previously Professor Iredale was the Regius Chair of Medical Science, Dean of Clinical Medicine and Vice Principal Health Services at the University of Edinburgh where he led the Medical School. He has previously held the Chair of Medicine in Edinburgh (2006-2013), the chair of Medicine at the University of Southampton (2004-2006) and a Personal Chair in Hepatology (2000-2004).


Professor Iredale graduated from the University of Southampton with honours in Clinical Distinction in 1985 and was awarded a DM in 1995. He was made a Fellow of the Royal College of Physicians of London in 1999 and The Royal College of Physicians of Edinburgh in 2007. He was made a Fellow of the Academy of Medical Sciences in 2003 and Fellow of the Royal Society of Edinburgh in 2011.

Research interests

Professor Iredale's research interests are focused on innate immunity, tissue scarring and regeneration and he has published extensively on these subjects including key contributions in manuscripts published in Science, The Journal of Clinical Investigation, PNAS, Nature Medicine and Nature Cell Biology in addition to other specialist journals. Between 2010 and 2016, Iredale was Non-Executive Director of NHS Lothian.

Kelvin Blake

Kelvin is an experienced non-executive director and board level leader. Up until very recently he led some of the largest and complex programmes for BT and their customers and also sat as a board member on BT’s South West regional board. He has experience in the NHS having spent six years on the board of University Hospitals Bristol NHS Foundation Trust.

Kelvin is also currently a Non-Executive Director of BrisDoc and of the Bristol Chamber of Commerce & Initiative (BCCI). He is also a charity trustee of WECIL and Second Step.

Non-Executive Director, Sandra Harding

Sandra Harding

Sandra is a chartered and HCPC registered physiotherapist. She has more than thirty-five years’ experience in the public and private healthcare sectors. She has managed several clinical services. An independent hospital and more latterly the national physiotherapy service for BMI Healthcare. In this role, she managed a service that covered 58 sites and employed more than 750 staff.

In 2017 she resigned from her corporate role, taking her lived experience to start a clinical advisory service supporting physiotherapists. This company aiming to change unconscious incompetence in standards and regulations into conscious incompetence. Then provides support and learning to remove the incompetence. We are on a mission to illustrate clinical service excellence in process delivery - Teaching how to evidence robustness that meets the service-specific standards and regulations. e.g. Health and Care Professions Council and Care Quality Commission (CQC).

In 2021 responding to requests the business was re-branded and expanded and now supports several clinical professions.

Since 2018, Sandra has been a Trustee on the board of POhWER a national charity where she currently is involved in safeguarding, fundraising and income generation. She also sits on the finance, audit and risk committee.

Sandra is also a long serving primary school vice chair of governors. She is a Winston Churchill Fellow, and a parish councillor. She has a love of family, exercise and food.  Alongside her career, she is kept busy at home thanks to her daughters!

Kelly Macfarlane

Kelly is Managing Director of Customer Experience at Thames Water where she has responsibility for service operations including their Wholesale and Developer services divisions.  Kelly previously worked at Openreach, the infrastructure division of BT Group and has significant experience managing customer service operations and infrastructure in regulated environments having held other operational and service transformation roles at Deloitte, Tiscali and npower.

Kelly is also a Vice President of the Institute of Customer Service.

LaToyah McAllister-Jones

LaToyah has over 20 years’ experience working in the homelessness sector with complex needs individuals and is experienced working in multi-disciplinary environments, providing support and care to vulnerable individuals.

She is the Executive Director of St Pauls Carnival and previously worked as the Head of Operations at Ujima Radio. LaToyah has significant experience working across a range of communities and cultural institutions in the city of Bristol particularly with African Caribbean-led community organisations.

LaToyah’s experience crosses front-line operational delivery as well as roles with a strategic focus; after managing accommodation services for street homeless individuals she moved in change management, supporting small organisations with a social purpose in strategic team development to increase impact and improve outcomes.

LaToyah sits on the board of Bristol Festivals, a membership organisation which represents festivals and events in the city. She also sits on the board of United Communities, a Bristol-based housing association with a focus on community housing. She is also a Clore Social Fellow and action learning facilitator.

Tim Gregory

Tim is an experienced director having worked in a range of organisations, including the Ministry of Defence and County Councils. Tim has experience of leading and managing large organisations including the delivery of critical operational services such as Highways and Waste as well as all the corporate services, including ICT, finance, HR and property departments.

Tim finished his last role as Corporate Director – Place at Nottinghamshire County Council in December 2016 where he was responsible for 4000+ staff and led change programmes to drive improvements and efficiencies.  These included the introduction of new integrated IT systems and process improvement and the establishment of 2 innovative joint ventures.  Tim also has extensive experience of working in and with central government through his role a corporate director and as a Royal Marines Brigadier when working in the Ministry of Defence.

Richard Gaunt

Richard is an experienced Board Member and Audit & Risk Committee Chair (most recently with Alliance Homes), with other appointments including Chair of the Business Services and Remuneration Committees and Board Vice-Chair at City of Bristol College and a governor at Colston's Girls' School..

He brings a broad range of skills including significant strength in finance, strategy and treasury. Prior to his retirement in 2009, Richard was an Audit Partner at KPMG, and he remains a Fellow of the Society of Chartered Accountants England and Wales.

Picture of Sarah Purdy

Professor Sarah Purdy

Sarah began her career as a House Surgeon at the Royal United Hospital, Bath. She completed the Exeter GP Vocational training scheme between 1988 and 1991 and after this became Senior House Officer in psychiatry for two years. For two years, Sarah was Research fellow at the Centre for Health Economics at the University of York.

She moved to the USA in 1994 where she took up the role of Health Policy Analyst for the Jackson Hole Group. She then proceeded to work as Visiting Fellow in the Department of Ambulatory Care and Prevention at Harvard Medical School. After three years in this role, Sarah returned to the UK where she became a Clinical Lecturer in Primary Care at Newcastle University for four years. Following this, her positions included Public Health Consultant at Hull York Medical School and its connected Strategic Health Authority, Honorary Clinical Senior Lecturer in Primary Care at Newcastle University and Senior Clinical Research Fellow at University of Bristol. Sarah was promoted to Consultant and Senior Lecturer in the School of Social and Community Medicine in 2006. For two years proceeding this she was a Reader in Primary Health Care and went on to become Deputy Director for NIHR CLAHRC West. She was promoted to Director, working in this position for one year, during which time she was also Head of Medical School and Associate Dean, Faculty of Health Sciences at the University of Bristol.

In 2019, she became Pro Vice Chancellor for Student Experience at the University of Bristol, a position she still holds. Her responsibilities include multiple Chair positions and Board memberships connected to the University. She is also Professor of Primary Care at the University and an Honorary Consultant in Primary Health Care, NHS England. She has been a trained GP since 1991 and is currently working as a salaried GP at Sea Mills Surgery, Bristol.

Sarah has an MD and MB BS from the University of London, a Master of Public Health from Harvard and a BSc Honours Degree from University College London. She is a fellow of both the Royal College of Physicians London and Edinburgh, fellow of the Royal College of General Practitioners and Fellowship of Harvard School of Public Health.