He was educated at Hampton School, an all-boys independent school in Hampton, London. After a gap year, he studied geography at Grey College, Durham. He graduated from the University of Durham with a Bachelor of Arts (Bachelor) degree in 1994.
Since September 2015, he has been the area Bishop of Edmonton. From 2003 to 2007, he was Team Vicar of the Parish of Old Street Pancras. From 2007 to 2015, he was Rector of the Church of Street John-at-Hackney.
He was additionally Area Dean of Hackney from 2014.
He has spent all of his ecclesiastical career in the Diocese of London. During his ordained ministry, he undertook post-graduate study.
In 2012, he completed a Master of Arts (Master of Arts) degree in theology, politics and faith-based organisations at King"s College London. From 1998 to 2001, he continued his training for ministry as a curate at Street Mary"s Church, Willesden in the Diocese of London.
The church contains the Anglican Shrine of Our Lady of Willesden.
In 2001, he moved to Street Pancras Old Church. In 2003, he became the Team Vicar of the newly created Parish of Old Street Pancras which includes Street Pancras Old Church. In 2007, he moved parishes and became Rector of the Church of Street John-at-Hackney.
This made him the 45th Rector of Hackney.
In 2014, he was additionally appointed the Area Dean of Hackney. Episcopal ministry
In July 2015, Wickham was announced as the next Bishop of Edmonton, an area bishop in the Diocese of London.
On 23 September 2015, he was consecrated a bishop in Canterbury Cathedral by Justin Welby, the Archbishop of Canterbury.