Currently he is a head of Centre for Parent and Child Support, South London and Maudsley NHS Foundation Trust and and a head of Child and Adolescent Mental Health Services (CAMHS) Research Unit, Institute of Psychiatry, King’s College, London. He leads research, development and dissemination programmes for the Family Partnership Model, the Helping Families Programme, Empowering Parents, Empowering Communities and the Promotional Guide System. He has been clinical adviser to the Family Nurse Partnership National Unit, Department of Health and CAMHS research advisor at the Royal College of Psychiatrists, Centre for Quality Improvement. Crispin has published and lectured widely as well as provided advice to central and local government across the UK, Australia and New Zealand.