Educated at Westminster Philadelphia under Van Til and Murray, Geoff served for five decades as minister of Alfred Place Baptist Church in Aberystwyth, during which time he mentored over 45 students who have become ministers themselves. A prolific author, Geoff continues to write, preach and teach in retirement.
Dan ministers at Newcastle Reformed Evangelical Church, having previously served as the assistant minister of Cambridge Presbyterian Church. Dan is also professor of practical and systematic theology at Westminster Seminary.
Peter is minister of Immanuel Presbyterian Church in Cardiff, and edits the EPCEW denominational magazine. He currently holds the Biblical Studies chair at Westminster, where his infectious enthusiasm for the Hebrew language has inspired his students over recent years.