Paul Williams has 40 years' experience of working with people with learning difficulties and was a founder member of the organisation "Values into Action" which campaigns on behalf of people with learning difficulties. He co-authored a book on self-advocacy and has been involved in the development of citizen advocacy in the UK. From 1991 to 2007 he was a Lecturer in Social Work at the University of Reading, where he taught working with people with learning difficulties and anti-oppressive practice. He is now retired. Michelle Evans has 14 years of practice in all areas of sensory need, including Deaf/deafness, visual impairment and Deafblindness. She has a first class honours degree in social work and has worked as a care manager in adult services and a social worker in children's services. She has a particular interest in methods of social research which contribute to raising sensory awareness in social work/care management. She lectures social work students at London South Bank University and develops and delivers sensory awareness training to practitioners and managers.