Mark is a passionate Scotsman who has travelled all over the world communicating the message of the cross. He mixes a unique blend of humour and story telling with the Gospel message. Speaking about Mark, J. John recently commented: "I really do believe Mark is one of our best communicators. He is able to present Christianity in a relevant way and in a language which people can understand."

Mark leads an evangelistic organisation called 73rd Trust, which seeks to engage the unchurched through relevant communication of the gospel. He is a popular communicator, serving all the main denominations and speaking at a variety of events such as Spring Harvest, Soul Survivor, Audacious and New Day.