Visiting Professor & Research Fellow, Billy Graham Center
Professor of Evangelism and Leadership, Director of BGC Research Institute, Director of the Church Evangelism Initiative
Associate Professor of Evangelism & Leadership Director of M.A. in Evangelism & Leadership Program, M.A. in Church Missional Movement & M.A. in Ministry Leadership
Billy Graham Professor of Church, Mission, and Evangelism, and Executive Director of the Billy Graham Center for Evangelism