Stewart Collis is Senior Program Officer for Digital Agriculture Solutions at the Bill and Melinda Gates Foundation where he focuses on digital farmer services, smart farming and digital agricultural ecosystems in low and middle income countries across Africa and South Asia.

Mr. Collis has over 20 years’ experience in agricultural information technology and was co-founder and CTO at aWhere, a Benefit Corporation providing global ag-weather content, agricultural modeling and analytics to private and public sector partners.

Previously Mr. Collis worked on climate-driven spatial crop simulation modeling and ag-data management tools at Texas A&M University and the International Center for Research in Agroforestry. Mr. Collis has a Masters of Engineering Science in Geomatic Engineering from the University of New South Wales, Sydney, Australia.