The Board of Trustees is responsible for the governance of Medical Aid Films, bringing expertise from a range of professional areas and sectors.


Celia Cattelain

Celia works at PsiQuantum on a large-scale quantum-enabled decarbonisation initiative: Qlimate. Her career spans European policy (HM Treasury and consulting), investment banking (Barclays Capital), non-profit governance (Women for Women International UK Chair) and research (net zero geopolitics for the Fondation Méditerranéenne des Etudes Stratégiques). She holds an MA from the Sorbonne, an MBA from City University Business School and recently graduated from the International Directors Programme at INSEAD. 


Sean McDonnell (Chair)

Sean is a digital transformation specialist currently working at BSI. He has worked in a range of global organisations over the last twenty years leading change programmes improving the experience of internal and external audiences. He has been volunteering for the last six years with Medical Aid Films on their digital marketing activities.

Amo Kaller

Amo is a career diplomat currently working as the Deputy Head of Cyber responsible for strategy, communications and global networks at the Foreign, Commonwealth and Development Office (FCDO). He has been extremely lucky to work with such committed security, trade, development and wider health colleagues across a 15 year career both in the UK and overseas.  One of his interests is mental health, and he previously chaired Anxiety UK, one of the UK’s leading mental health charities.  

Rachael Akidi Okwir

Rachael Akidi Okwir is the interim Head of Journalism for Africa at the BBC World Service.  She leads an award-winning team of journalists in the UK and across Africa, producing content that reaches a weekly audience of more than 100 million in 12 languages on radio, television, digital and social media. She has extensive experience leading change and digital transformation in large newsrooms, and led the BBC’s expansion in the East and Horn of Africa. 

Rachael is passionate about reaching young and digital audiences.

She holds a BA in Mass Communication from Makerere University Kampala, and an MA Public Communications from the University of Westminster London. 



Rania Missoumi

Rania is a Strategy & Corporate Development Professional with experience designing and implementing strategic growth plans. She has held advisory (consulting and investment banking) and in-house roles in the healthcare and education sector in New York, London and Dubai. Rania graduated from UCLA with a Bachelor of Science in Neuroscience and from Columbia University with a Master of Public Health and Master of Business Administration.

Matt Jackson

Matt Jackson is Director of the London Office for UNFPA, the United Nations sexual and reproductive health agency. Matt was previously a diplomat at the UK Foreign and Commonwealth Office (FCO) working on international development, climate change and multilateralism including at the UK Mission to the United Nations in New York where he negotiated the Sustainable Development Goals, and as Chief of Staff to the UK Foreign Secretary’s Special Representative on Climate Change. His career has focussed on delivering gender equality, human rights programmes, sustainable development, and the transition to green economies at UNFPA, the FCO, the Organisation for Economic Cooperation and Development (OECD) in Paris, and the UK Department for the Environment (Defra).

Lucie Byrne-Davis

Lucie Byrne-Davis is a Professor of Health Psychology at the University of Manchester and an HCPC registered Health Psychologist. Her research and practice are about translating health psychology to support behaviour change, with a focus on health worker behaviours. She has had funding from a variety of sources, including the NIHR, Health Education England and Royal Societies / learned bodies. She is responsible for the behavioural and social sciences education of the undergraduate medical students at University  of Manchester. She holds a Principal Fellowship of the Higher Education Authority and a Fellowship of the European Health Psychology Society, where she is chair of the UN committee. She is co-founder and director of The Change Exchange, a collaborative of health psychology professionals who work to understand, drive and evaluate behaviour change within health partnerships between U.K. and low and middle- income country health organisations. In response to Covid-19, she co-founded The Health Psychology Exchange, a collaborative of health psychology professionals volunteering and working to support public health, health and care during covid. She has published widely, including peer reviewed academic publications, policy briefs and other translational materials, such as The Cards for Change, which help people to learn about and use behaviour change techniques in their training or conversations.

Ankit Soni

Ankit is a Senior Manager at HSBC and focuses on Organisational Design, executing on strategic initiatives and Improving Business Performance within the Commercial and Investment Bank across Europe. He also has extensive experience in Risk management within Financial Services.

Ankit began his career qualifying as an accountant within public practice and previous to HSBC worked in the Investment Management industry where he worked for EY carrying out financial audits of companies and funds.

He is passionate about giving back and is also a member of the Rotary Club of Docklands.

Sid Khemka

Sid Khemka is an ex-WPP ( 24/7 RealMedia) highly experienced digital media, advertising, ad technology executive and entrepreneur. He has over 20 years of experience defining and executing product and business strategies, bringing together technology and people and delivering incremental revenues.

Sid holds a B.Sc. in Electronics from St. Xaviers College, India and a Masters degree in Computer Application (MCA) – Gold Medalist, from Dharamsinh Desai Institute of Technology, India.