Roger E. Olson is Foy Valentine Professor of Christian Theology and Ethics at George W. Truett Theological Seminary of Baylor University, Waco, Texas. He and his wife are members of Calvary Baptist Church, a congregation of the Cooperative Baptist Fellowship. This article is adapted from his presentation in November 2015 at the Brethren in Christ Study Conference on “Life Beyond the Congregation: The Future of Denominations in the 21st Century, sponsored by the Sider Institute for Anabaptist, Pietist, and Wesleyan Studies at Messiah College.