Paul Williams is a training and supervising analyst with The British Psychoanalytical Society and a member of the Royal Anthropological Institute. He was a consultant psychotherapist in the British National Health Service, retiring in 2010. From 2001-2007 he was Joint Editor-in-Chief, with Glen O. Gabbard, of the 'International Journal of Psychoanalysis'. He has published widely on the subject of severe disturbance. He lives and practises in Hampshire, UK.