Roger studied mathematics and theology at St John's College Cambridge. After a period in the Royal Air Force, he worked as an itinerant evangelist before starting Ichthus in 1974. Roger was one of the founders of March for Jesus, was on the board of the AD2000 Movement and the Council of the Evangelical Missionary Alliance for many years. He has been involved with the Evangelical Alliance since the early 1970s as a member of the Council, and has served on a number of EA committees.Among his many responsibilities he is Chairman of the Council for the UK Evangelical Alliance and honorary Vice President of Tearfund, and is honoured to be on the Council of Reference for Aglow International (Britain), and together with Faith is a patron of Springs Dance Company.

In 1974 Faith and Roger Forster founded the Ichthus Christian Fellowship, which they co-lead, and currently comprises 15 London congregations, a network of 80 UK link churches and workers overseas in approximately 16 nations. Roger and Faith have three married children and four grandchildren.

Roger has authored and co-authored several books, including God's Strategy in Human History, Reason Science and Faith, Christianity Evidence and Truth, The Kingdom of Jesus, Prayer, Trinity, Suffering and the Love of God and Women and the Kingdom.

ichthus.org.uk