NextBillion - An Initiative of the William Davidson Institute at the University of Michigan

Willem Nolens is the Managing Director of PAYGo Lab, bringing over 25 years of experience in microfinance and renewable energy. At PAYGo Lab, he has supported more than 30 PAYGo companies in establishing and strengthening their credit management functions.

Before joining PAYGo Lab, Willem was the co-founder and CEO of SolarNow (2010–2020), a pioneer in asset financing for larger solar systems in Uganda and Kenya. Prior to that, he co-founded and managed Catalyst Microfinance Investors, a $125 million equity fund, and co-founded ASA International, which now operates in 12 countries across Africa and Asia.

Willem began his career leading microfinance institutions in Ghana and Mozambique between 2000 and 2005. His work has consistently focused on expanding financial access and energy inclusion in underserved markets.