Dr Katharine Rimes is a chartered clinical and health psychologist who has worked with people with chronic fatigue and CFS / ME in the National Health Service for over fifteen years. She is an accredited cognitive behaviour therapist. She also works as a senior university lecturer and has published many research titles about CFS / ME. ... Read more Professor Trudie Chalder is a world expert in chronic fatigue and CFS / ME. She and colleagues developed the cognitive behavioural treatment of CFS / ME and fatigue in the context of other medical conditions. She is Professor of Cognitive Behavioural Psychotherapy at King's College London. She has expertise in the field of health psychology and is also a cognitive behaviour therapist who has worked with fatigued individuals for 27 years. She has been widely published. Show Less