Our team

Angie Fletcher

Head of Quality Improvement

Coming soon.

Dr Vivek Khosla

Medical Lead

Sophie Garland

Centre Manager

Sophie has worked for many years in Oxford Health NHS Foundation Trust as part of the operational management team with the Urgent and Ambulatory Care Service.

Learn more about Sophie

She worked in various roles firstly as a coordinator, project officer and most recently as the Unit Manager before she joined Oxford Healthcare Improvement.

Sophie gained experience in leadership and management in the community and working at the frontline of clinical care. She is passionate about innovation, improvement and safety, and her previous work has been geared around introducing interventions to improve patient care, staff wellbeing and education within the service.

Sophie has supported a wide range of clinical and non-clinical staff and patient groups across the county of Oxfordshire. Most recently, she was involved in a research project with colleagues from the Department of Primary Health Care Sciences at the University of Oxford, and the team presented preliminary findings at the annual Royal College of General Practitioners conference in 2017. The poster presentation won runner up in the Innovation Award.

Sophie has completed a Post Graduate Diploma in Management in Health and Social Care at Oxford Brookes University and is planning to complete her dissertation and finish her MSc.

Dr. David Francis Hunt

Research Lead
BSc, PhD

David gained a BSc (Hons) Experimental Psychology in 2013 and a PhD in Psychology from the University of Bristol in 2018. His thesis investigated the perceptual biases associated with disease avoidance. David has published in the areas of disease avoidance, obesity stigma, prejudice, and the between- and within-group processes of group psychology.

Learn more about David

During his PhD, David held two research positions. In the first position, he worked as a psychology fieldworker in the Children of the 90s project, conducting various psychological and psychiatric tests with participants. In the second position, he worked as a research assistant for the Social Research Unit, evaluating a family-based intervention under the Realising Ambitions project.

David has extensive project management experience in the areas of education and social welfare law (SWL). In education, he worked on the ‘Every Child Matters’ initiative, implementing and evaluating a series of extra-curricular activities for underprivileged children and their families. In SWL, he implemented a series of initiatives to help build infrastructure and capacity to enable vulnerable people to access information and advice. During these projects, David was commissioned to produce a series of reports that included a SWL advice needs analysis of North Somerset and an impact report on an IT provision scheme.

After his PhD, David joined the Data Science team at the Medical Research Council. During this time, he helped design and implement the evaluation and assurance frameworks for Health Data Research UK, a flagship institute designed to promote and enable the use of health data science for the purposes of discovery science and improving the health of the population.

In 2019, David joined the University of Oxford as a Postdoctoral Research Associate and will support the work of the Oxford Health Improvement team as part of his role. He also holds an honorary position as a Senior Research Associate at the School of Psychological Sciences, University of Bristol.

Dr Rachel Reeves

Improvement lead
RGN, DPhil

Rachel is a health services researcher specialising in patient experience, survey methods, questionnaire design, improving the quality of patient care, and the national patient survey programme for England.

Learn more about Rachel

She qualified as a registered general nurse in 1986 and has more than ten years nursing experience in the National Health Service, and in 2000, she was awarded a Doctorate in Psychology from the University of Oxford.

From 2001 to 2005, Rachel was the manager for the Co-ordination Centre for NHS Surveys at the Picker Institute Europe, where she designed and implemented a new national patient survey programme for England. She subsequently worked as a freelance research consultant in health services research for various organisations, including the Department of Health (Cancer Patient Experience Survey and Independent Sector Patient Experience Survey), the Care Quality Commission, and the Scottish Government.

Between 2007 and 2017, alongside her freelance work, she was also employed as a Principal Research Fellow at the University of Greenwich. Her work focused on maximising the impact of patient survey results to improve the quality of patient care and testing interventions aimed at improving the impact of patient surveys.

Rachel is experienced in both quantitative and qualitative research methods, and she began working at Oxford Healthcare Improvement in June 2018.

Gemma Butler

Improvement lead
BSc (Hons) Psychology, MSc Cognitive Neuroscience

Gemma has worked across a range of NHS mental health services as an Assistant Psychologist and Clinical Research Assistant. She supported with research investigating COVID vaccines during the pandemic.

Learn more about Gemma

She has completed a BSc in Psychology and more recently an MSc in Cognitive Neuroscience. Passionate about quality care, Gemma has been involved in several quality improvement projects in the NHS.

One project involved implementing a new therapy pathway for older adults with long term health conditions, which was shortlisted for a HSJ Value in Healthcare award and evolved into the IAPT Long term Health conditions pathway.

Gemma has an interest in staff wellbeing and has been involved in several initiatives in the NHS to improve staff wellbeing. Her commitment to improving staff wellbeing was recognised in Berkshire Healthcare NHS Foundation Trust as an “Area of Outstanding Achievement.”

Ashley Harvey

Improvement Facilitator

Ashley has worked in various roles across the NHS across London and the south. He is a qualified Project Manager and was part of the team that established the Quality Improvement Academy at one of London’s largest hospitals, St George’s NHS Foundation Trust.

Ashley has qualifications in Leadership, service & quality improvement and change management and is a qualified Coach working with several staff members across the NHS. He is passionate about quality improvement and creating a culture where change and improvement is encouraged and undertaken by all.

Ashley has a keen interest in the support of Dementia patients and has worked with several charities to create dementia friendly areas in hospitals.

Clare O’Callaghan

​Improvement Facilitator

Clare has worked in many roles within the NHS, from a Health Care Assistant in Intensive Care to most recently a Clinical Governance and Risk Practitioner at Oxford University Hospitals, before becoming part of the Oxford Healthcare Improvement team.

Learn more about Clare

Clare is a registered Operating Department Practitioner (Allied Health Professional) who has completed a Post Graduate Certificate in Adopting Innovation and Managing Change in healthcare settings. Clare has worked in the NHS for nearly all of her working life, which has given her many years of first-hand experience of understanding the NHS.

Clare deeply cares about consistently striving for sustainable Quality Improvements and working for the best possible outcomes. Clare is also dedicated to supporting and facilitating a learning culture that is patient centred, focused on local needs and uses Quality Improvement methods to demonstrate an evidence-based approach to healthcare.

Tracy Allen

Improvement Facilitator
RGN, BSc (Hons) Nurse Practitioner and MSc Advancing Nursing Practice

Tracy qualified as a Registered Nurse in 1991 and has over 30 years’ experience working in a variety of NHS trusts. Tracy’s background is an Advanced Nurse Practitioner, attaining a Nurse Practitioner BSc Hons degree from South Bank University in 2005 and a master’s degree in Advancing Nursing Practice from the University of West London in 2014

Learn more about Tracy

Working in a variety of senior roles has enabled Tracy to build upon and enhance her leadership and coaching skills especially when dealing with issues surrounding sensitive, complex situations. In a previous role Tracy was able to work collaboratively with a team to enhance the CQC rating of an NHS urgent care service from ‘requires improvement’ to ‘good’ within a 3-month period. Tracy has a keen interest in the implementation of quality improvement measures alongside the facilitation of effective clinical education to develop and support staff to deliver caring, safe and excellent services to patients in line with the Trust’s core values.


Page last reviewed: 25 January, 2023