David Byrnes is founder and owner of Yellow Barn Biodynamic, a leading national brand of Demeter-certified products, and also the Yellow Barn Biodynamic Farm in the Finger Lakes of New York. David is passionate about sustainable agriculture, was voted Top 20 under 40 by Gourmet News and is a founding member of the New York State GE Labeling Coalition. David recently developed a Biodynamic activity book, a first-of-its-kind biodynamic learning tool about Steiner agriculture for kids and parents. He and his wife Victoria spend their free time messing around on the farm with their three kids, where work and play go hand in hand.