Hans Rudolf Herren is an internationally recognized 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 awarded 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. He is a Foreign Associate of the National Academy of Science (NAS), a Member of the Academy of Sciences for Developing World (TWAS) and a Full Member of the Club of Rome. 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.