Businessman, Philanthropist & Elder Son of Warren Buffet
Scientist, Professor of Plant Pathology at the University of California - Davis; Expert in the Challenges of Farming
Journalist & Best-selling Author of "Farm City: The Education of an Urban Farmer"
Ecological anthropologist and researcher on food, farming and biotechnology
Founder of The Organic Gardener Ltd. and Director of Chicago's Green City Market Edible Gardens