Mark J. Cartledge is Professor of Practical Theology at Regent University School of Divinity, Virginia Beach, USA. He is also the Director of the Center for Renewal Studies in the University. He is the author of two Ashgate Books, Charismatic Glossolalia (2002) and Testimony in the Spirit (2010). His most recent book in the Pentecostal Manifesto series is entitled Mediation of the Spirit: Interventions in Practical Theology (2015). His current research is part of a major Arts and Humanities Research Council (AHRC) project looking at megachurches and their social engagement in London. The book from this project is entitled Transforming the City (2017). A. J. Swoboda pastors Theophilus church in urban Portland, Oregon and is the founding director of Blessed Earth Northwest, an organization turning the hearts and hands of Jesus’ people to Jesus’ creation. He teaches theology, Bible, and pastoral studies at Fuller and George Fox Evangelical seminaries. As well, A.J. authored A Glorious Dark (Baker) and Introducing Evangelical Ecotheology (Baker Academic), among other books. His website and blog can be found at www.ajswoboda.com. He is @mrajswoboda on Twitter.