Peter founded Ormiston Trust in memory of his sister, Fiona Ormiston Murray, after her tragic death in 1969. He is a chartered surveyor (commercial investment) and ex chair of the Westminster Volunteer Bureau and All Stars Youth Club. He has served on the Boards of Paddington Charities and Yapp Trust. For several years he worked as a volunteer for the Samaritans and as a Prison Visitor. He is the founder member of the Association of Charitable Foundations, founder chair of Ormiston Academies Trust and vice chair of Ormiston Families.