Peter is a former national chairman of the Campaign to Protect Rural England (CPRE) and of both the National Fruit Collection and of the Tree Council. He is co-founder of Hanson Green, for many years the principal source for non executive appointments and has been on boards of public and private companies often as chairman in addition to being a former visiting professor at both Warwick and Cass Business Schools. A former member of the International Cricket Council and a trustee of the Royal Opera House, Peter is author or co-author of two business books, a business novel, a collection of poetry and a history of the campaigns that saved the English countryside. He is chairman of the Housman Society, a director of the Gardens Trust, and a judge on both the Wainwright Literary Prize and of the Contrarian Prize. He is chairman of the Welwyn Garden City Centenary Foundation.