Jeff has been involved in Marin County Agriculture for over 40 years, including 35 years as a farmer. Jeff helped start the Bolinas-Stinson Beach Resource Recovery project in 1997, and the West Marin Compost Project in 2011, and continues to serve as a technical consultant on both projects. He served four years as a field conservationist with the Marin RCD, and co-founded the Marin Carbon Project and Carbon Cycle Institute, where he currently serves as Director of Rangeland and Agroecosystem Management. Jeff holds a Ph.D. in Rangeland Ecology and is a USDA-NRCS certified conservation planner.