Having originally studied medical sciences, Franklyn Sills has a long history of training and clinical practice in both psychotherapy and craniosacral therapy. Co-founder in 1987 of the Karuna Institute, he lectures on Buddhist psychology, object relations, shock, trauma, pre-natal and birth psychology. His recent studies include the neurophysiology of stress and trauma. His published books include The Polarity Process, Craniosacral Biodynamics, and most recently, Being and Becoming, Psychodynamics, Buddhism and the Origins of Selfhood. Franklyn teaches internationally in America, Germany and Switzerland.

Franklyn is the Co-Director of the Karuna Institute in Devon England, where, over a thirty year period, he and Maura Sills, along with Karuna staff, have developed Core Process Psychotherapy, one of the world's original mindfulness-based psychotherapy programs. Karuna offers an MA in Mindfulness-based Psychotherapy. He is also the author of Being and Becoming, psychodynamics, Buddhism and the origins of selfhood.