Phil Christie is Director of Sutherland House Children's Services, run by autism charity NORSACA (www.norsaca.org.uk), and leads a team of Consultant Child Psychologists at the Elizabeth Newson Centre. The centre carries out training and research activities and has particular expertise in PDA. He is also Associate Editor of 'Good Autism Practice', and became Chair of the Advisory Council of the Autism Education Trust in 2009.