With over two decades at the intersection of international development and impact investing, Siobhan has dedicated her career to unlocking opportunities for small and medium enterprises across emerging markets. 

 

Her expertise has helped channel vital capital to businesses that traditional finance often overlooks.

 

As an advocate for climate action and gender equality, she's shaped strategies that put these crucial priorities at the heart of business growth. Her hands-on experience in developing and implementing climate-smart and gender-focused approaches has demonstrated how financial innovation can drive both returns and lasting social impact.

 

At Koma, she's bringing this expertise to pioneer new ways of mobilising capital for Africa's next generation of entrepreneurs.​

With 30 years of investment experience and nearly 15 years specialising in inclusive finance in Africa, Casey has dedicated his career to expanding financial access for those traditionally left out. He began his work in the region with myAgro’s pioneering savings programs, supporting West African smallholder farmers to improve their food security and move out of poverty, and currently serves as the organisation’s Managing Director, US.

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Previously, as Managing Director of the credit guarantee fund for Shared Interest, Casey led efforts across several Southern African countries to unlock financing for underserved SMEs, driving sustainable growth in challenging markets. His practical experience in credit guarantees, blended finance, and risk mitigation has been instrumental in bridging capital gaps for entrepreneurs who need it most.

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A champion for practical, scalable solutions, Casey is deeply committed to supporting impactful business growth. At Koma, he brings this expertise to pioneer new ways of mobilising capital for Africa’s next generation of entrepreneurs—especially those building climate resilience and economic opportunity from the ground up.

Joyce brings a powerful combination of traditional banking wisdom and impact investing innovation to Koma. With 15 years in banking and seven years dedicated to international development, she understands both the challenges and opportunities in bridging financial gaps for emerging enterprises.

 

Her experience in deploying credit guarantees has helped unlock crucial funding for SMEs across markets, while her expertise in climate-smart and gender-focused lending approaches adds vital perspective to deal structuring. 

 

This dual background in commercial banking and impact finance uniquely positions her to help build effective bridges between capital providers and the businesses that need it most.

 

At Koma, she's applying this comprehensive experience to develop innovative guarantee solutions that work for both funders and recipients.

Sarah has spent two decades shaping how development initiatives can create meaningful social impact, with a particular focus on advancing gender equality through practical, market-based solutions. Her thirteen years specialising in gender inclusion have given her deep insight into how financial and technical support can transform opportunities for women entrepreneurs.

 

Drawing on five years of hands-on experience delivering gender-smart technical assistance to SMEs, she understands how to translate inclusion principles into business success. Her approach integrates climate considerations with gender equality, recognising that women are both disproportionately affected by climate change and key drivers of climate solutions.

 

At Koma, she's working to ensure that technical assistance programs create lasting positive change for women and girls while advancing climate-smart business practices across Sub-Saharan Africa.

Amos brings a blend of investment management, financial strategy, and entrepreneurial experience across Africa’s impact and blended-finance landscape. Over a span of six years, he has led end-to-end fundraising and structured catalytic financing for early- and growth-stage enterprises, designing tailored investment instruments that align capital with measurable impact outcomes.

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His experience spans capital structuring, valuation, and execution, combining analytical rigour with hands-on financial management to strengthen enterprise performance and investor confidence. Amos has helped mobilise financing to advance agrifood systems, youth employment, affordable housing, and education-finance innovations across emerging markets.

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At Koma Capital, Amos supports the design of guarantee structures, fund-level modeling, and strategic engagements with development partners and catalytic investors, bridging financial insight with practical experience from enterprise growth and capital-market execution.