Miguel A Altieri is Professor Emeritus at University of California, Berkeley, Department of Environmental Science, Policy and Management. Co-Director of the Centro Latino Americano de Investigacionbes Agroecologicas (CELIA -www.celia.agroeco.org). Currently, an Invited Scholar at the FEAST Project, at the Research Institute for Humanity and Nature, Kyoto, Japan. He received his BS in agronomy at the University of Chile, Masters at the National University of Colombia, and Ph.D. in entomology from the University of Florida. In 1981 he became Professor of Agroecology at the University of California, Berkeley in the Department of Environmental Science, Policy and Management where he taught agroecology and urban agriculture for 37 years. Altieri served as a Scientific Advisor to the Latin American Consortium on Agroecology and Development (CLADES) Chile, an NGO network promoting agroecology as a strategy for small farm sustainable development in the region. He also served as the General Coordinator for the United Nations Development Programme’s Sustainable Agriculture Networking and Extension Programme, which aimed at capacity building on agroecology among NGOs, and the scaling-up of successful local sustainable agricultural initiatives in Africa, Latin America and Asia.