DR JONATHAN WILLIAMS is a Principal Clinical Psychologist in an NHS Learning Disabilities Service.He has over two decades of experience within psychology and specialisesin supporting adults with intellectual disabilities, building on his formative experience as a support worker.He has written a wide range of academic papers about supporting people with intellectual disabilities. PROFESSOR ROBERT S. P. JONES is Honorary Professor of Clinical Psychology at Bangor University, UK, and a retired Consultant Clinical Psychologist. He was formerly Head of Adult Clinical Psychology Services for Learning Disabilities in North Wales, and has held various senior positions in academia and the NHS over several decades. He is the author of over 100 peer-reviewed publications and several books. Before training in clinical psychology, Rob was a care worker for people with severe intellectual disability. DR JONATHAN WILLIAMS is a Principal Clinical Psychologist in an NHS Learning Disabilities Service.He has over two decades of experience within psychology and specialisesin supporting adults with intellectual disabilities, building on his formative experience as a support worker.He has written a wide range of academic papers about supporting people with intellectual disabilitie