Stephen R. Gliessman is an agroecologist who integrates science, practice, and social activism. He helped establish agroecology in Mexico in the 1970's and founded the first academic program in agroecology in the world at UCSC in 1982, where he is now Emeritus Professor of Agroecology. He co-founded the non-profit Community Agroecology Network (CAN). Professor Gliessman has published extensively on agroecology and the transformation of food systems to sustainability, including his textbook Agroecology: Ecology of Sustainable Food Systems. He teaches agroecology seminars and courses around the world and dry-farms sustainable wine grapes and olives with his family at their farm in California.