Michael and his wife, Jenni, are originally from Germany. They lived for several years in Scotland, where Michael tutored in theology and completed his PhD. His doctoral dissertation focuses on the Christology of Swiss theologian Adolf Schlatter (1852–1938), and he has also published on Jonathan Edwards, Dutch Neo-Calvinism, and the relation between theology and culture. Michael has worked as a pastor in Germany (Free Evangelical Church), and he served as an elder in a local Edinburgh congregation of the Free Church of Scotland.