Keith Silvester is an integrative psychosynthesis psychotherapist, trainer and supervisor. Since 2003 he has been training director of the Psychosynthesis & Education Trust in London. He is a long-standing associate of Pink Therapy Services, and is Co-chair of the Training Standards Committee of the HIP section of UKCP.

Originally trained as a community worker, Keith developed a training consultancy specialising in team conflict work in the voluntary and arts sectors, and was Head of the Student Counselling and Advisory Service of the Central School of Speech and Drama in London for nearly ten years.