Calestous Juma (June 9, 1953 – December 15, 2017) was a Kenyan scientist and academic specialising in sustainable development. He was named one of the most influential 100 Africans in 2012, 2013 and 2014 by the New African magazine. He was Professor of the Practice of International Development and Faculty Chair of the Innovation for Economic Development Executive Program at Harvard Kennedy School. Juma was Director of the School’s Science, Technology and Globalization Project at Harvard Kennedy School as well as the Agricultural Innovation in Africa Project funded by the Bill and Melinda Gates Foundation. His last book, Innovation and Its Enemies: Why People Resist New Technologies. was published by Oxford University Press in 2016.
In recognition of his work, Juma had been elected to the Royal Society of London, the US National Academy of Sciences, Third World Academy of Sciences (TWAS), the UK Royal Academy of Engineering, the African Academy of Sciences and the New York Academy of Sciences.

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