Our Team

Mark Stirling


Mark Stirling is a former medical doctor who pioneered work amongst university students with the Navigators in Edinburgh from 1998 to 2004. In 2007 he completed an MA in Exegetical Theology at Covenant Seminary in St Louis and in 2011 gained a PhD in Biblical Studies from St Andrews University, his thesis examining issues of discipleship and maturity in Ephesians. He and his wife Jenny now live in St Andrews, Scotland, where they have been involved in leading a new church (Cornerstone St Andrews) and developing the work of Chalmers Institute, seeking to see God’s people equipped with the necessary theological tools for discipleship and mission. Alongside the ongoing work of Chalmers, Mark also enjoys teaching ministry trainees at both Edinburgh Theological Seminary and Highland Theological College.

Online Meeting on Zoom

Rebecca Giles
Director of Operations

Rebecca Giles joined the Chalmers Institute in 2019 after graduating with her MA in Educational Ministries from Covenant Theological Seminary in St. Louis, Missouri, USA (2018). During this time, she served as a teaching assistant in Apologetics and Education courses, for students on campus and for students at a distance through online education. In addition to her role at Chalmers Institute, Rebecca works with Mission to the World, serving local teenagers in St. Andrews and as well as missionary families around the world.

Originally from Charlottesville, Virginia, Rebecca attended the University of Virginia with a BA in Religious Studies. Later, Rebecca worked with Serge in Dublin, Ireland and then at Mission Training International in Colorado. 

Dave Redfern

Chalmers Fellow

Dave Redfern has spent the past 4 years working for the Chalmers Institute in St Andrews. Previous to that he spent 3 years studying for a MA in Theological Studies at Regent College in Vancouver, Canada. Dave and his wife Michelle were involved in student discipleship ministry with the Navigators in Edinburgh between 2007 to 2012.  Dave also spent 3 years working as a youth and children’s worker at St Stephen’s Comely Bank Church. 

Dave is now in his first year of a PhD in theology with the University of Aberdeen. He is studying the 17th century Puritan John Owen. 

Dave & Michelle have 3 children; Lucy, aged 4, James aged 2 and one more on the way due in February!

Jonathan Fraser

Chalmers Fellow

Jonathan Fraser is a PhD candidate and part-time lecturer at Highland Theological College UHI, having served for 11 years as associate minister at Hilton Parish Church, Inverness.  A desire to play a small part in the building-up of faithful, theologically informed young leaders for the church in Scotland has driven his previous studies and his ministry in the local church.   With that end in mind, questions around Christian education and faith formation form the core of his doctoral studies.  Jonathan earned his M.A. (Divinity) from New College, Edinburgh, in 2006, followed by a MTh in Theology in History in 2007. In 2008 he earned an ThM from Princeton Theological Seminary in Youth, Church and Culture. 

Jonathan is married to Susie and they have two young sons, Charlie and Angus.

Matthew Mason

Chalmers Fellow

Matthew Mason is Tutor in Christian Ethics at the Pastors’ Academy in London. He is an ordained Anglican minister, and has served churches in England and the USA.


Matthew received an MTh from Oak Hill College, London, and is currently working on a PhD at the University of Aberdeen, entitled, ‘Becoming Human in the Economy of Grace: Prayer and Human Flourishing in Light of John Webster’s Moral Theology’.

Nick Mackison

Chalmers Fellow

Nick Mackison lives in Glasgow with his wife, Sharon and three children, Zach, Alexa and Eve. He has attended Govan Free Church since it was planted in 2014 and has served the church in an unordained capacity, providing pastoral care and teaching. After 13 years as a Maths teacher, Nick felt God’s call to pursue theological training and enrolled in Edinburgh Theological Seminary (ETS) in 2015. Since graduating in 2018, he has continued to serve in Govan while teaching a Saturday class on theology for ETS. Now he has joined the Chalmers Institute as a fellow with plans to pursue further studies in New Testament Theology. 

Graham Shearer

Chalmers Fellow

Graham Shearer is a PhD student in Systematic Theology at Union Theological College in Belfast. Graham worked for Universities and Colleges Christian Fellowship (UCCF) for six years in various roles and most recently he served as Associate Pastor in a church in East London. Having obtained his first degree at the University of Cambridge, he later studied theology at Oak Hill Theological College. He lives in Belfast with his wife, Katherine and their three young children. 

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