Meet The Team
Programmes Team
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Caroline Barber
Chief Executive
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Sam Clark
Head of Programmes
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Edward O’Connor
Programmes Support Manager
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Thelma Ayisi
Project Manager
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Dennis Simuyuni
Project Manager
Caroline Barber
Chief Executive
Sam Clark
Head of Programmes
Sam is a road safety and transport systems specialist with over 25 years’ experience in international development, including more than 15 years supporting governments, private-sector operators and development partners to strengthen road safety systems and access to healthcare across Africa.
He holds an MA in Environment and International Development and has lived and worked in several African countries.
As Transaid’s Head of Programmes, Sam oversees programme development and design, while providing technical expertise across the organisation’s road safety and access to healthcare projects. His particular interests include improving motorcycle helmet safety and strengthening professional driver training and access to essential health services.
His recent work includes supporting the establishment of the Kenya National Helmet Wearing Coalition, developing a roadmap for enforcing Ghana’s motorcycle helmet standard, and working with the South African National Taxi Council (SANTACO) Women’s Desk to improve women’s safety on public transport.
Sam has also shared his expertise at international forums, including the fourth Global Ministerial Conference on Road Safety and an FIA Foundation roundtable exploring challenges in implementing Ethiopia’s national motorcycle helmet standard.
Edward O’Connor
Programmes Support Manager
Thelma Ayisi
Project Manager
Dennis Simuyuni
Project Manager
Associates
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Hans Mwaipopo
Consultant
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Roger Salmon
Consultant
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Cathy Green
Consultant
Hans Mwaipopo
Consultant
Roger Salmon
Consultant
Cathy Green
Consultant
Finance Team
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Mwiza Mkandawire
Head of Finance
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Kafayat Ayinde
Finance and Administration Officer
Mwiza Mkandawire
Head of Finance
Kafayat Ayinde
Finance and Administration Officer
Fundraising Team
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Maddy Matheson
Head of Fundraising
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Anna Giavedoni
Events Manager
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Kohei Ohno
Corporate Partnerships Officer
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Georgia Ryan
Communications and Fundraising Officer
Maddy Matheson
Head of Fundraising
Anna Giavedoni
Events Manager
Kohei Ohno
Corporate Partnerships Officer
Georgia Ryan
Communications and Fundraising Officer
Georgia supports Transaid’s fundraising activities and leads on the organisation’s communications alongside the Head of Fundraising, including social media, digital content and design. She particularly enjoys the creative side of her role, overseeing Transaid’s visual communications and producing materials that bring its work and impact to life.
Georgia graduated in Asian and Middle Eastern Studies, with knowledge of Spanish and Arabic, and spent her year abroad in Egypt. From 2024-2025, she supported a research project, funded by the Volvo Research and Educational Foundations (VREF), exploring young men’s experiences of mobility in Mossel Bay, South Africa, and Worthing, UK.
She has visited Transaid’s programmes in Zambia and South Africa, working with local partners and learning firsthand about their impact. Highlights include meeting Ministry of Health workers and community members supporting the MAMaZ projects in Serenje and Chitambo districts, visiting the Industrial Training Centre in Zambia, and learning about the South African minibus taxi industry from the South African National Taxi Council (SANTACO) Women’s Desk in the Western Cape.
Trustees
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Joan Aitken OBE FCILT
Chairperson
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Bill Howie
Trustee
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James Keeler
Trustee
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Phideliah Mwaba
Trustee
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Dr. Olive Kobusingye
Trustee
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Gavin Williams
Trustee
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Julia Bunting
Trustee
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Paul Milner
Trustee
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Phillip Kamutenga
Trustee
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Astrid van der Burgt
Trustee
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Phil Roe
Trustee
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Sharn Samra
Trustee
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Christine Mellor
Company Secretary
Joan Aitken OBE FCILT
Chairperson
Bill Howie
Trustee
James Keeler
Trustee
Phideliah Mwaba
Trustee
Dr. Olive Kobusingye
Trustee
Gavin Williams
Trustee
Julia Bunting
Trustee
Paul Milner
Trustee
Phillip Kamutenga
Trustee
Astrid van der Burgt
Trustee
Phil Roe
Trustee
Sharn Samra
Trustee
Christine Mellor
Company Secretary



