Philip Ryken is President of Wheaton College, Illinois, and author of numerous books

Ian Hamilton is a retired, but still very active, Presbyterian Minister from Scotland who recently stood down as President of Westminster Presbyterian Theological Seminary, UK

Sherif Fahim is a lecturer at Alexandria School of Theology in Egypt, the General Director of El-Soora Ministries, and an Elder in a Presbyterian Church in Alexandria, Egypt

Jason Helopolous is Senior Pastor of University Reformed Church in East Lancing, Michigan, USA

Gary Millar is Principal of Queensland Theological College, Australia, and author of numerous books, including the best selling Saving Eutychus

Gary Brady has been Pastor of Childs Hill Baptist Church in North London since 1983

Diego Lopes is Pastor of  Margem Sul Baptist Church in Lisbon, Portugal and Executive Coordinator and Professor at Martin Bucer Portugal Seminary

Baruch Maoz is an Israeli Jewish Christian who worked with Christian Witness to Israel from 1974 - 2005 and pastored Grace and Truth Congregation in Israel from its founding in 1976 to 2008.  Now based in the States he has written many books and founded Soli Deo Gloria (Israel) which is dedicated to the production of original Christian literature in Hebrew, geared to the Israeli culture.

Andrew Birch currently serves as Field Director with the European Missionary Fellowship (EMF) and has ministered in Spain for nearly 40 years.

Matthias Lohmann is the Pastor of the Free Evangelical Church in Munich, Germany, and the Chairman and Founder of the German Gospel Partnership, Evangelium21