Hans Herren is an internationally recognised scientist who lived and worked for 27 years across Africa in agriculture, health, and environmental research and capacity development. As Director of the Africa Biological Control Center of the International Institute of Tropical Agriculture (IITA) in Nigeria, he conceived and implemented the highly successful biological control program against the cassava mealy bug and the green mite that saved the cassava crop, the staple of 200 million Africans and averted Africa’s worst-ever food crisis. For this achievement, he was the first Swiss to receive the World Food Prize in 1995. Hans advocates for holistic and multi-stakeholder approaches to development planning that take cognizance of the three dimensions of sustainability, and result from a shared vision of sustainability by all the key actors. Hans holds numerous awards that recognize his distinguished and continuing achievements in original research and advocacy. These include the Right Livelihood Award, Tyler Prize for Environmental Achievement, Brandenberger Preis, and the Kilby Award. Hans earned his PhD at the Federal Institute of Technology, Zurich, and completed post-doctoral research at University of California, Berkeley. He is also the founder of Biovision Foundation, Switzerland. He elected to the World Board of IFOAM -Organics International in 2019 and became a member of the World Future Council in 2018.