Killion is a monitoring, evaluation, and learning (MEL) expert with more than 10 years of experience. He has delivered evidence-based insights across diverse development sectors in East, West, and Southern Africa. His expertise lies in the design and execution of data systems, frameworks, and evaluations. These evaluations inform strategy, policy, and investment decisions for governments, donors, and implementing partners. Killion has worked with leading organizations, such as the Kenya National Bureau of Statistics (KNBS), USAID, PEPFAR, the Gates Foundation, AGRA, Mastercard Foundation, and TradeMark Africa. He has led MEL assignments in critical areas, such as youth employment, agriculture, women’s economic empowerment, financial inclusion, and health. His work is known for its ability to generate practical insights from complex datasets and ensure that evidence is used to improve programming and systems. Killion brings a strong track record of leading MEL components in complex, multicountry programs. He combines analytical precision with practical solutions tailored to local contexts. His work ensures that decision-makers are equipped with timely, reliable, and policy-relevant evidence.