Harald Hoven is director of Raphael Garden, master gardener, faculty member, and founder of BDANC (Biodynamic Association of Northern California). He teaches the Biodynamic Farming and Gardening workshop series at Rudolf Steiner College, leads evening study groups, and teaches gardening and phenomenology to students enrolled in programs at the college. Trained in Germany, he apprenticed on biodynamic farms and gardens in Europe and received his certification in horticulture. He has been at Rudolf Steiner College for 25 years and is well known as a regional and international speaker on biodynamic farming and gardening.