Franklyn Sills is the co-director of the Karuna Institute, a retreat and teaching center that offers trainings in Biodynamic Craniosacral Therapy as well as an MA in Core Process Psychotherapy. The author of four books published by North Atlantic, he lives in Devon, UK. Cherionna Menzam, PhD, contributed a chapter toFoundations in Craniosacral Biodynamics. She lives in Santa Monica, CA.