Francis Omonya Jakaiti and Josephine Nasambu 2


Our trustees give generously of their time and expertise to ensure the good governance of the organisation

John Geake our team

“I am delighted that we are able to give more African smallholders a ‘hand up’ than ever before. Ripple Effect can only maintain and expand its work with the continued generosity of its supporters and dedication of its staff. I thank everybody who plays a part in enabling us to serve the poor and hungry in rural Africa.”

John Geeke Chairman of Trustees
  • John Geake our team

    John Geake


    Chairman of Trustees, John brings decades of international business and finance experience to the Board of Trustees at an important time of growth for the organisation.

    John has long been associated with Ripple Effect through his brother, former CEO Martin Geake.

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    Simon Doherty

    Simon is a senior academic at the Institute of Global Food Security, Queen’s University Belfast and is a recent past president of the British Veterinary Association. Simon has been a volunteer ambassador for Ripple Effect since 2013, and brings a wealth of professional and personal experience to the role having spent over 20 years in the veterinary sector. His support has also extended to providing technical and veterinary support to a number of our initiatives.

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    Isabella Wemyss


    Secretary. Based in Edinburgh, she works for her family’s business.

    Her roles have also included responsibility for a tea estate in Kenya, a hydro scheme and a distillery in Scotland.

  • Andrew Gillam

    Andrew Gillam

    Andrew is a Chartered Accountant with thirty years experience. Having trained with KPMG including work in Ghana and Nigeria, he has spent most of his career working in insurance and now works as Head of Finance for AIG Life based in London.

    He lives in Croydon with his family and is a Reader in the Church of England.

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    Fiona Crisp

    Safeguarding Officer

    Fiona Crisp is the Staff Health Travel Advisor for Oxfam based in Oxford where she lives with her husband and son.

    She has previously lived and worked overseas as a relief and development worker for 14 years in Asia, Africa and the Caribbean where she specialised in Health and HIV in emergencies.

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    Sarah Brunwin

    Sarah has worked as a consultant in the charity sector for more than 30 years and has a keen interest in and knowledge of NGOs working in Africa. She has visited numerous projects throughout Africa and has particular knowledge and experience in the areas of agriculture, education, health, development and conservation.

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    Stephanie Dennison

    Stephanie is an experienced development consultant working in the charitable sector and was previously a journalist on national newspapers.

    She is Head of Development at The Royal Albert Memorial Museum, Exeter, and lives nearby with her family. She is also a mentor with the Institute of Fundraising.

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    Simon Gill

    Simon has over 30 years’ experience in international development and public financial management in numerous countries across Africa and Asia. He has worked with the UK government, a consultancy company and latterly with the Overseas Development Institute where he has undertaken a variety of management roles. He currently divides his time between Ayrshire and the Isle of Bute.

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    Alison Griffith

    Alison has a background in food and agriculture. Her experience includes market system development, multi-stakeholder dialogue, private-sector partnerships, fair trade and impact investment. She has worked in both programme and policy areas with international NGOs, private companies and as an independent consultant.

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    Peter Hinton

    Peter has over 30 years of commercial and private equity experience in the UK and Africa.

    He works with impact investors in sub-Saharan Africa and tutors on the Oxford Impact Investment Programme where he is an associate fellow at Said Business School.

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    David Kuwana

    David has more than 30 years of international management experience, including working in the banking and financial services sector, mostly in Africa.

    He is now a human resources and business management consultant focusing on Africa. He brings to the board his expertise on human resources management as well as insights on effective general management performance.

  • Patricia Napier MBE

    Patricia has a medical background as a nurse, midwife and health visitor. Two years spent working for VSO in an isolated community in Zambia proved life-changing: she has been involved with a number of organisations linked to Zambia, and established the Baynards Zambia Trust in 1997.

    This has grown over the years, alongside delivery partner the Zambia Rainbow Development Foundation which provides a holistic approach to addressing the challenges of disenfranchised communities. Her work in Zambia was recognised by her award of an MBE.