Our trustees

David joined Macmillan’s Board of Trustees in October 2025, and took on the role of Chair of the Board in March 2026. David also sits as Chair of Nominations Committee, and as a member of the Charitable Expenditure Committee and People Committee. David is a Non-Executive Director with over 30 years’ experience in financial services having held a range of senior executive positions in retail banking both in the UK and overseas, including the USA and Australasia.

Up until the end of September 2025, David was Chair of Virgin Money UK plc. He is currently Non-Executive Director of Nationwide Building Society, Chair of Allfunds Group Plc, Chair of PayPal UK Ltd and PayPal Digital Currencies and Non-Executive Director of the Department of Work and Pensions.

Between 2001 and 2008 he was a Director of Alliance and Leicester plc, serving as Group Finance Director and then Group Chief Executive until its sale to Santander in 2008. He has also held a number of executive positions in Abbey National plc, Cheltenham & Gloucester plc, Lloyds TSB Group and the National Bank of New Zealand.
Previous appointments include Chair of Audit & Risk Committee of PayPal (Europe) S.à.r.l. et Cie, S.C.A., Chair of Ashmore plc, Chair of HomeServe Membership Ltd and Non-Executive Director at Bank of Ireland UK, Together Money and easyJet plc. David also acts as an adviser to Fintech businesses and is an independent coach and mentor.

David holds an MA in Economics from Cambridge University and attended PMD at Harvard Business School in 1994.

Anne-Françoise joined Macmillan’s Board of Trustees in December 2025 and is Chair of the Finance, Risk & Audit Committee. Anne- Françoise also sits as a member of the Fundraising Marketing & Communications Committee. She brings a wealth of experience as a former Chief Financial Officer of FTSE and NYSE-listed companies, with an executive career across global life sciences and consumer businesses.

Anne-Françoise has held senior CFO roles at Smith & Nephew Plc, Merlin Entertainments Plc and Dechra Pharmaceuticals Plc, leading multi-billion-pound organisations through periods of growth, transformation and change. Her career has given her deep expertise in financial leadership, risk management, governance and large-scale organisational transformation.

Alongside her executive career, Anne-Françoise has developed a strong portfolio of non-executive roles. She is Chair of the Audit Committee and Senior Independent Director at Compass Group plc, a Non-Executive Director at Vodafone Group plc and Sanofi and has previously served as a trustee of Merlin’s Magic Wand Charity and the Sea Life Trust.

A dual French-British national, Anne-Françoise now lives in Dorset with her husband.

Acosia Nyanin joined the Board in July 2023 and is Chair of the People Committee. A registered Mental Health Nurse, Acosia has dedicated her career to providing person centred care and improving outcomes for patients. She has held a wide variety of clinical and leadership roles in the NHS and wider health and care system and is currently Deputy Chief Nursing Officer for England – Professional and System Leadership at NHS England.

Before Acosia took on the role of Deputy Chief Nursing Officer for England, she was Regional Chief Nurse for NHS England in the South East region. Her previous leadership roles also include Director of Quality in the South of England and Professional lead for Acute Mental Health and Addictions with the Priory Group, Head of Inspection for Adult Social Care at the Care Quality Commission and Chief Nursing Officer at Sussex Partnership NHS Foundation Trust.

Beyond her professional roles, Acosia is an advocate of supporting good mental health amongst NHS staff and has written about the psychological impact of Covid 19, championing parity for physical and mental health.

Ron joined Macmillan’s Board of Trustees in October 2025 and is Chair of the Charitable Expenditure Committee. Ron also sits as a member of the People Committee. He has over 30 years’ experience as a senior NHS leadership, most recently as Chair of NHS Providers (until February 2025) and was appointed to the Council for King’s College London in 2019, stepping down in 2025.

Sir Ron served as Chief Executive of Guy's and St Thomas' NHS Foundation Trust from 2007 until 2015, continuing as executive vice-chairman until 2017 and remaining with the Trust as a special advisor to the board. Other Chief Executive roles have included the National Care Standards Commission, United Bristol Healthcare NHS Trust, and the South East London Commissioning Agency.

Sir Ron was knighted in the 2011 New Year’s Honours for services to the NHS, and is based in Bristol.

Kate joined Macmillan’s Board in October 2019 and chairs the Fundraising Marketing & Communications Committee. Kate also sits as a member of Transformation Committee and Nominations Committee. She is currently Executive Director at MSQ Partners, Fellow of the Institute of Practitioners in Advertising (IPA) and a member of the Marketing Group of Great Britain and The Marketing Society. Kate is also a Director at MSQ Partners Ltd, Precious Media Ltd, ENSCO 1314, MSQ Sports + Entertainment Ltd and 35 St Andrew’s Square Ltd.

Kate’s previous board-level roles include Executive Director & Chief Growth Officer Dentsu Aegis Network UK&I, Regional President FCB Europe, Board CMO Gala Coral Group, and MD Leo Burnett London.

Kate lives in London and Dorset.

Mark joined Macmillan’s Board in October 2019. He is a member of Finance Risk & Audit Committee, Fundraising Marketing & Communications Committee and People Committee. Mark is our Trustee Safeguarding Lead, and also leads on trustee engagement with our volunteers. Mark is a trustee of the Montier Charitable Trust, and Non-Executive Director at Duralock (UK).

Mark was Executive Vice President of Vivo Energy plc from 2013-2019, as well as being Chairman of Shell and Vivo Lubricants. From 2009 to 2013 he was Director of Corporate Affairs for the Vitol Group of companies. Previously he worked at BP plc for 27 years, in leadership roles in trading, marketing and corporate affairs

Mark is married with three children and lives in London.

Nick joined Macmillan’s Board in September 2020, and sits on the Finance, Risk & Audit Committee, Charitable Expenditure Committee, Transformation Committee and Nomination Committee. Nick is the Board’s Senior Independent Trustee.

Nick was Chair of Deloitte UK from 2015 to 2021 and the founding chair of Deloitte NorthWest Europe from 2016to 2019 having previously served on the leadership team of Deloitte’s consulting business and the firm’s executive. Prior to this he was the Managing Partner of Arthur Andersen Business Consulting and was on the Management Executive of Andersen in the UK & Europe.

Nick has been Chair of the Trustees of the Royal National Children’s SpringBoard Foundation (RNCSF) since June 2022, and is the Deputy Chair and a Trustee of Teach First. Nick is Deputy Pro-Chancellor at the University of Birmingham. Nick is a Non-Executive Advisory Board member of Spencer Stuart, Dentons LLP, and Baringa. He is also an advisor to Bridgepoint Capital.

Nick is married with four children and lives in Surrey.

Jean joined the Board in June 2021. She sits as a member of Charitable Expenditure Committee and Nominations Committee. She is currently a Professor of Precision Breast Cancer Medicine at the University of Cambridge and an Honorary Consultant in Medical Oncology at Addenbrooke’s Hospital Cambridge. She is Director of the Precision Breast Cancer Institute for the Department of Oncology at the University of Cambridge, and a Director at Indigo Bio Ltd.

Jean is currently Co-Director of the Cancer Research UK Cambridge Centre. Jean is theme lead for Cancer at the Cambridge NIHR Biomedical Research Campus. She is Chief Investigator of multiple national/regional trials. She received a National CRUK PhD Fellowship, receiving her PhD from the University of Cambridge in 2011.

Her research aims to use multi-modal data integration to develop predictive and prognostic tools to provide individualised treatment for breast cancer patients. Her research also focuses on the development of innovative clinical trials focusing on better patient stratification and clinical outcomes.

Anas joined Macmillan’s Board of Trustees in February 2025. He sits as a member of the Fundraising Marketing & Communications Committee and Transformation Committee. He is also a member of Macmillan Ventures' Investment Committee. He is a medical doctor, tech executive and board advisor with over 20 years of expertise at the intersection of healthcare, technology and business leadership. Anas is an active public speaker, a published academic and an advocate for digital health. He has contributed extensively to public health, international humanitarian medicine, and medical education, and has earnt recognition through multiple honours and publications.

Anas is Chief Executive and co-founder of mission-driven Patchwork Health, which has created a modern workforce planning and management platform used by over 120,000+ clinicians and 500+ hospital sites across the UK. The organisation works closely with the NHS and the platform is built by healthcare professionals for healthcare professionals. He has previously held leadership roles in healthcare improvement initiatives, such as the Clinical Innovation and Improvement Fellowship at Chelsea and Westminster Hospital and the Darzi Fellowship in Healthcare Leadership.

Minal joined Macmillan’s Board of Trustees in February 2025 and is a member of the Finance, Risk & Audit Committee. As a practising GP in an area of extreme socio-economic deprivation, she has dedicated her career to improving health, reducing inequalities and enabling people and communities to thrive.

Her work spans frontline care, national policy, technology and AI, research, innovation and large-scale transformation. Minal is Deputy CEO and Chief Clinical and Strategy Officer at Blinx, leading strategy and development of AI-enabled digital infrastructure for neighbourhood health. She is also co-founder of AMP, working with health systems to build the leadership, strategic commissioning and improvement capabilities needed to create healthier populations, and advises the Permanent Secretary at the Department of Health and Social Care on neighbourhood health, primary care and digital transformation.

Previously, Minal was National Director for Primary Care and Community Transformation and Improvement for the NHS in England and Senior Responsible Owner for the National Neighbourhood Health Implementation Programme. She led major national transformation programmes including Modern General Practice, Digital First Primary Care and Neighbourhood Health, translating national ambition into practical change at scale.

Her wider experience includes executive roles at McKesson UK, developing the first UK standards for digital health services with the CQC and GMC, and evaluating health technologies at NICE. She is also Co-Chair of Healthier UK, bringing together public services, business, charities and communities around a simple purpose: helping more people live gloriously ordinary lives.