Dr Catherine Wikholm is a Chartered Clinical Psychologist working in NHS mental health services in London, UK. She completed her undergraduate degree in Philosophy and Theology at Oxford University before training as a psychologist, gaining a Postgraduate Diploma in Psychology, Masters in Forensic Psychology and a Doctorate in Clinical Psychology. Catherine was previously employed by HM Prison Service where she worked with young offenders. Miguel and Catherine worked together on a research study that looked at the psychological effects of yoga and meditation on prisoners.