Dr. Sina McCullough holds a Ph.D. in Nutrition from UC Davis. She was the Director of R&D for a supplement company and taught Biochemistry. She developed an autoimmune disease, which prompted her to launch an investigation into our food supply. What she learned allowed her to reverse the disease. Now, Dr. McCullough is dedicated to helping others avoid the health challenges she has faced. She is the author of Hands Off My Food. www.HandsOffMyFood.com. Joel Salatin and his family operate Polyface Farm in Virginia's Shenandoah Valley, practicing regenerative farming techniques since 1961. The farm direct markets to individual families and restaurants. Polyface Farms hold educational seminars, farm tours, day camps and events to encourage duplication and understanding. The author of 13 books, including You Can Farm and Everything I Want to Do is Illegal. Salatin is the editor of the world's premier pastured livestock publication, The Stockman Grass Farmer. www.Polyfacefarms.