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Dr. Christian Witt

Dr. Christian Witt

Senior Program Officer - Agricultural Development team, Bill &Melinda Gates Foundation

Dr. Christian Witt is Senior Program Officer in the Agricultural Development team at the Bill & Melinda Gates Foundation. He provides strategic direction on innovation in soil health, agronomy, and fertilizer and leads the Portfolio on Digital Farmer Services aimed at increasing soil fertility and productivity in smallholder farming of Sub-Saharan Africa and South Asia. Prior to joining the foundation, he was scientist and project manager in international agricultural research with 17+ years of experience in plant nutrition and soil nutrient management in the tropics.