Anna Case-Winters is Professor of Theology at McCormick Seminary. She has served the wider church in many capacities, particularly in ecumenical relations. As Chair for Christian Unity in the Presbyterian Church (U.S.A.), she exercised leadership in dialogues with Lutheran, Anglican, and Roman Catholic communions. Case-Winters has also served the global church through the work of the World Communion of Reformed Churches (WCRC) in many capacities through the years and is currently Moderator for Mission and Ecumenism. She is the author of God's Power: Traditional Understandings and Contemporary Challenges, Reconstructing a Christian Theology of Nature: Down to Earth, and A Theological Commentary on Matthew.