"Towards a 21st Century Soil Science" Dr. Pedro Sanchez is the Director of the Tropical Agriculture and the Rural Environment Program, Senior Research Scholar and Director of the Millennium Villages Project at the Earth Institute at Columbia University. He also directs AfSIS, the African Soils Information Service developing the digital soils map of the world. Sanchez is Professor Emeritus of Soil Science and Forestry at North Carolina State University and served as Director General of ICRAF - the World Agroforestry Center from 1991 -2001. He is a Fellow of the American Academy of Arts and Sciences, the American Society of Agronomy, the Soil Science Society of America and the American Association for the Advancement of Science. He serves on the Board of Agriculture and Natural Resources of the National Academy of Sciences. Sanchez is the 2002 World Food Prize laureate and a 2004 MacArthur Fellow.