A friend of Desmond Tutu[1] and Rowan Williams, Slee's churchmanship was liberal (he was influenced by the book Honest to God during his youth[1]) and Anglo-Catholic.
He gave his backing to Jeffrey John's nomination as a bishop in 2003[1] and was opposed to the use of the hymn "Jerusalem" in church.
[2] He was educated at Ealing Grammar School for Boys and then spent nearly two years in Papua New Guinea on Voluntary Service Overseas[1] before studying theology at King's College London (where he won a university "purple" in rowing).
He was also a member of the Crown Nominations Committee from 2006 onwards, chairman of the Tutu Foundation and involved in the Winston Churchill Memorial Trust Fellowship, the British School of Osteopathy and the International Network Focus on New Religious Movements (INFORM).
[2] In the 2001 Queen's Birthday Honours, Slee was appointed an Officer of the Order of the British Empire (OBE) "for services to the community".