Dr. Gatiss is the Director of Church Society, a fellowship contending to reform and renew the Church of England in biblical faith, and a lecturer in Church History at Union School of Theology in the UK. He has ministered in Anglican churches in Oxford, Kettering, and London, and has been an adjunct instructor for Biola University and a Visiting Lecturer at the University of Roehampton, as well as a supervisor in the Divinity Faculty at the University of Cambridge. He is on the board of Studies in Puritanism and Piety, and Chairman of The Global Anglican theology journal, and has taught in many parts of the world.

Lee is the author / editor of more than 30 books and has published over 20 articles in peer-reviewed journals. His publications include several new editions of historical texts (from The First Book of Homilies, and The Sermons of George Whitefield, to the works of J. C. Ryle), as well as historical studies of the Reformers and puritans, eighteenth- and nineteenth-century evangelicalism and 20th century Presbyterianism, Reformed historical theology, the doctrine of the atonement, and Anglicanism. He was also editor of The NIV Proclamation Bible (Hodder/Zondervan), and The Reformation Commentary on Scripture volume on 1 Thess-Philemon (IVP Academic), as well as contributing commentary on Job, Proverbs, Ecclesiastes, and Song of Songs for the Church History Study Bible (Crossway).

He is the Series Editor (with Shawn D. Wright) of a new 40-volume critical edition of The Complete Works of John Owen being published by Crossway, and is particularly involved in editing the 9 volumes of Owen’s Hebrews commentary and helping to oversee the work of more than 20 scholars and translators around the world to produce this new edition. He is also the Series Editor of a new 50-volume Bible commentary with Hodder & Stoughton, as well as writing the commentaries on Ephesians and Malachi.

Lee is a member of the Royal Historical Society, the Evangelical Theological Society, and the Tyndale Fellowship, as well as an active member of Christ Church, Cambridge.