Alistair has been in pastoral ministry since 1975. Following eight years ministering in Scotland, he became the senior pastor at Parkside Church near Cleveland, Ohio.  He has written several books and is heard daily on the radio program, Truth For Life.

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.

Following his study on the Cornhill Training Course in London, Paul worked at a church in South London, before being invited to come to IPC Ealing as Pastor in 2003. Paul also writes for the Reformation 21 blog.

Warren was ordained to the ministry of the RP Church of Ireland in 2001 and has been the minister of Trinity RPC in Newtownabbey, Northern Ireland, since 2012. He teaches at the Reformed Theological College in Belfast and serves as a Trustee of the Banner of Truth.

Jon serves as the organising pastor of Christ Church Presbyterian in Charleston, South Carolina. He previously served for ten years as pastor of Grace Presbyterian Church in Douglasville. He is the Executive Coordinator of the Gospel Reformation Network and a trustee with the Banner of Truth Trust.

Simon is Deputy Director for Public Affairs at The Christian Institute. A solicitor by training, he has been with the Institute for 25 years, campaigning for free speech and helping Christians think through issues like abortion and LGBT politics.

Dan Peters 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. 

David is Academic Dean, Vice President of Global Ministries, and Professor of Systematic Theology at Westminster Theological Seminary, Philadelphia. He has lived and taught in various parts of the world, including Europe, Africa, the Middle East and Asia. 

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.

Richard was the founding minister of Bethel Presbyterian Church in Cardiff, Wales, where he served for more than two decades. He also taught Greek at Westminster Seminary until his retirement in 2020. He is now Chairman of Trustees at Westminster.