Gary Zimmer is a world-renowned farmer, author, speaker, and biological farming consultant with over 35 years' experience in agriculture. He has helped thousands of farmers to improve their operations, starting with the soil and building to a profitable, successful farming operation. Gary is the founder of Midwestern BioAg, and runs Otter Creek Organic Farm together with his family.
Leilani Zimmer-Durand is a farm consultant, ecologist and agronomic educator with 15 years' experience in biological and organic farming. She has written and spoken widely on soil health and fertility. Leilani is the former VP of Research and Development at Midwestern BioAg where she developed and tested carbon-based fertilizers.