Evangelical, Catholic, and Reformed

George Hunsinger

George Hunsinger is one of the most influential theologians of his generation, widely recognized for shaping contemporary engagement with Reformed theology generally, and the work of the Swiss theologian Karl Barth in particular, as well as advancing ecumenical dialogue. Over the course of a distinguished career spanning more than four decades, Hunsinger’s scholarship, teaching, and public witness have left an enduring mark on the discipline of systematic theology and the life of the church. 

Educated at Stanford University, the Harvard Divinity School, Yale University, and the University of Tübingen, Hunsinger was educated in some of the most important  theological institutions of the twentieth century. Hunsinger was ordained in the Presbyterian Church (U.S.A.) in 1982, and he has consistently integrated scholarly work with ecclesial commitment, understanding theology as a discipline accountable both to the academy and to the church’s public witness. 

Hunsinger joined Princeton Theological Seminary in 2001 as the Hazel Thompson McCord Professor of Systematic Theology, following previous appointments at Bangor Theological Seminary, New Brunswick Theological Seminary, and numerous visiting professorships in the United States and Europe. From 1997 to 2001, Hunsinger served as Director of Princeton Theological Seminary’s Center for Barth Studies, helping to establish the Center as a global hub for Barth scholarship and mentoring students through its programming and informal reading groups. His teaching at Princeton Seminary has been marked by intellectual rigor, ecumenical breadth, and sustained attention to classical Christian doctrine, modern theology, and contemporary ethical challenges. 

Internationally acclaimed as a leading interpreter of Karl Barth, Hunsinger’s books—How to Read Karl Barth, Disruptive Grace, and Reading Barth with Charity, among many others—have shaped how Barth’s theology is read and received across confessional and disciplinary lines. Beyond Barth studies, Hunsinger has made significant contributions to Christology, the doctrine of the Trinity, justification, sacramental theology, and ecumenism, particularly advancing conversations bridging Reformed, Roman Catholic, and evangelical traditions. 

Equally central to Hunsinger’s vocation has been his engagement with public theology and human rights. He is the founder of the National Religious Campaign Against Torture (NRCAT), an interfaith organization mobilizing religious communities to oppose torture and advocate for human dignity. Through writing, organizing, and public speaking, Hunsinger has persistently challenged churches to reckon with the moral demands of Christian faith in the face of war, violence, and the misuse of political power. His work in this area has been recognized by numerous awards, including the International Karl Barth Prize (2010) and the Bishop James K. Matthews Award for public theology (2006). 

Hunsinger has played a formative role in ecumenical and ecclesial life. He served as a delegate to the Reformed/Roman Catholic International Dialogue, was a principal author of the Presbyterian Church (USA)’s catechisms approved in 1998, and he has held key leadership positions in the Karl Barth Society of North America, the Faith and Order Commission (USA), and the editorial boards of several scholarly journals. His scholarship and service reflect a lifelong commitment to theological conversation that is at once historically grounded, doctrinally serious, and oriented toward the unity of the church. 

Across classrooms, conferences, publications, and public forums, George Hunsinger has exemplified theology as an intellectually disciplined, ecumenically open, and morally engaged practice. His work continues to inspire students, scholars, and church leaders to think deeply, speak honestly, and act faithfully for the sake of the gospel and the world.

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A. Katherine Grieb

The Rev’d Dr. A. Katherine Grieb is Meade Professor of Biblical Interpretation and New Testament at Virginia Theological Seminary in Alexandria, VA, where she has taught for the past twenty-four years. Previously, she taught for two years at Bangor Theological Seminary in Maine. Dr. Grieb received a B.A. in philosophy and religion from Hollins University, a J.D. from Columbus School of Law at Catholic University of America, her M.Div. from Virginia Theological Seminary cum laude, her Ph.D. in religious studies (theology) with distinction from Yale University and an L.L.M. in canon law with distinction from Cardiff University in Wales. Ordained a deacon, then a priest, in the Diocese of Washington for the past 35 years, she serves as a member of the clergy team of St. Stephen and the Incarnation Episcopal Church. She is one of the Six Preachers appointed by the Archbishop of Canterbury and the Dean of Canterbury Cathedral and she has taught for two weeks annually at the Canterbury Scholars program there for a number of years. Dr. Grieb has published several articles on Karl Barth’s theology and biblical interpretation. Her book, The Story of Romans: A Narrative Defense of God’s Righteousness, was published by Westminster John Knox in 2002. She co-edited The Word Leaps the Gap, published by Eerdmans in 2008. Dr. Grieb has been active in ecumenical and inter-faith conversations and especially in Anglican Communion, serving on the Inter Anglican Theological and Doctrinal Commission, the House of Bishops Theology Committee, and the Inter Anglican Standing Commission on Unity, Faith and Order. She was one of seven theologians asked by the Presiding Bishop of the Episcopal Church to write “To Set Our Hope on Christ” (2005), a response to the Windsor Report, after which she served on the Covenant Design Group of the Anglican Communion. She is currently at work on a book about Hebrews. She enjoys listening to choral music (especially Bach) and blues, reading murder mysteries (especially those written by Anglican theologians), traveling, mediaeval and renaissance art and Marc Chagall’s biblical interpretation, and is always ready to learn more about Karl Barth.

Aaron Gosser

Aaron Gosser is Associate Professor of Studio Art at Cedarville University, where he has taught painting and art history since 2005. He holds an MFA in Visual Arts from the Art Institute of Boston at Lesley University. His current body of work, 100 Portraits of Karl Barth, is a four-year series of oil sketches on recycled canvas panels exploring the dialectical tension at the heart of Barth’s theology—and his life. Rooted in the logic of the underpainting, the project functions as a cumulative installation rather than a collection of individual works, each surface layered with collaboration, revision, and the accumulated weight of a single inexhaustible subject. The series opens in its first solo exhibition, Simul., at Princeton Theological Seminary in September 2026.

Adam Neder

Adam Neder is Professor of Theology and Senior Fellow of Spiritual Formation at Belmont University. He is the author of Theology As a Way of Life: On Teaching and Learning the Christian Faith and Participation in Christ: An Entry Into Karl Barth’s Church Dogmatics. He is currently editing a book for Baylor University Press titled Teaching Theology: Reflections Personal and Theological in which some of the world’s best theologians and biblical scholars offer theological reflections on the art of teaching theology. Prior to arriving at Belmont, he was the Bruner-Welch Chair in Theology at Whitworth University, where he won numerous teaching awards.

Cambria Kaltwasser

Dr. Cambria Kaltwasser is Marvin and Jerene DeWitt Endowed Biblical and Theological Studies Professor at Northwestern College. Dr. Kaltwasser teaches courses in historical and doctrinal theology. She earned her doctorate in systematic theology at Princeton Theological Seminary, where she also completed her Master of Divinity. Dr. Kaltwasser’s research focuses on prayer, sanctification, and the Christian life. She is currently completing a book manuscript titled Karl Barth on Friendship with God.

Dr. Kaltwasser serves as co-president of the Karl Barth Society of North America and as project editor for the Barth Translators’ Seminar, which is funded by a grant from the National Endowment of the Humanities. She is an ordained minister in the Presbyterian Church (U.S.A.). In 2013–14, she was a Fulbright Scholar at the University of Tübingen, Germany.

Eric Gregory

Eric Gregory is Professor of Religion and former Chair of the Humanities Council at Princeton University. His research and teaching focus on religious and philosophical ethics, theology, political theory, law and religion, and the role of religion in public life. He is the author of Politics & the Order of Love: An Augustinian Ethic of Democratic Citizenship (University of Chicago Press, 2008), and recent articles on myth and politics, the philosophy of history, secularity, and moral supererogation. He serves on the editorial board of the Journal of Religious Ethics and sits with the executive committee of the Princeton University Center for Human Values. In 2007, he was awarded Princeton’s President’s Award for Distinguished Teaching. A graduate of Harvard College, he earned an M.Phil. and Diploma in Theology from the University of Oxford as a Rhodes Scholar, and his doctorate in Religious Studies from Yale University. In 2025—2026, he is Old Dominion Research Professor in the Humanities at Princeton and Senior Fellow at the Center of Theological Inquiry. Among his current projects is a book tentatively titled, The In-Gathering of Strangers: Global Justice and Political Theology, which examines secular and religious perspectives on global justice.

Fleming Rutledge

The Rev. Fleming Rutledge, having spent twenty-two years in parish ministry, now has an international preaching and teaching vocation. Her most recent book, God Spoke to Abraham: Preaching from the Old Testament (Eerdmans), has received praise from many leading Old Testament scholars as well as preachers. Her previous books have met with wide acclaim across denominational lines and national borders. She is also author of The Battle for Middle-earth: Tolkien’s Divine Design in The Lord of the Rings (also Eerdmans), which has a fan base in Europe as well as the US. She received a grant from the Louisville Institute to write a book-length treatment of the contemporary meaning of the Crucifixion. Having divided this 800-page work into two volumes, she is presently on her way to submitting the first volume to Eerdmans for editing within the next six months.

Mrs. Rutledge served as interim rector of St. John’s, Salisbury, Connecticut (1996–7), and has twice been a resident Fellow at the Center of Theological Inquiry in Princeton. During the 2008 fall term, she was resident at Wycliffe College in the University of Toronto School of Theology, where she taught preaching. Most recently, she was a Visiting Scholar at the American Academy in Rome (April 2010).

Mrs. Rutledge is widely recognized in the United States, in Canada, and in the UK not only as a preacher and lecturer, but also as one who teaches other preachers. Her particular expertise is the intersection of Biblical theology with contemporary culture, current events and politics, literature, music and art. She has often been invited to preach in prominent pulpits such as the Washington National Cathedral, the Duke University Chapel, Trinity Church in Boston, and the Harvard Memorial Chapel.

Ordained to the diaconate in 1975, Mrs. Rutledge was one of the first women to be ordained to the priesthood of the Episcopal Church (January 1977). She received her Master of Divinity degree from Union Theological Seminary in New York in 1975. For fourteen years Mrs. Rutledge was assistant and then Senior Associate at Grace Church in New York City. She has received two honorary Doctor of Divinity degrees, from Virginia Theological Seminary and Wycliffe College in the University of Toronto.

Gerald McKenny

Gerald McKenny is Walter Professor of Theology at the University of Notre Dame. He is the author of four books, including two on Karl Barth’s ethics, and of many articles and book chapters in the fields of Christian ethics and bioethics. He is also co-editor of five books. He is currently writing a book on virtue and moral law.

Han-luen Kantzer Komline

Han-luen Kantzer Komline is Marvin and Jerene DeWitt Professor of Theology and Church History Western Theological Seminary, author of Augustine on the Will: A Theological Account (Oxford University Press—paperback, 2023), and co-author, with Mark Noll and David Komline, of Turning Points: Decisive Moments in the History of Christianity (4^th edition, 2022).  Her research focuses on early Christian theology. Many of her publications concern topics in Augustine or his relationship to other thinkers, ranging from Ambrose and Cyprian to Karl Barth and Marilynne Robinson. Her research has been supported by fellowships from the Fulbright Commission, the Louisville Institute, the Augustinian Institute at Villanova, and the Humboldt Foundation. Her current book project, The Idea of the New in Early Christian Thought, analyzes how Christians of late antiquity conceptualized and defended the innovative character of the Christian faith. Dr. Kantzer Komline serves as a co-editor of the International Journal of Systematic Theology, as Theologian in Residence at Pillar Church, and as an ordained Minister of Word and Sacrament in the Reformed Church in America.

Joseph Mangina

Dr. Joseph Mangina is Professor of Theology at Wycliffe College, an Anglican seminary affiliated with the University of Toronto. He studied at Yale, from which he received the degree of PhD in 1994. He is the author of two works on the theology of Karl Barth, as well as the volume on the book of Revelation in the Brazos Theological Commentary series. From 2008 to 2017, Dr. Mangina served as editor of Pro Ecclesia: A Journal of Catholic and Evangelical Theology. He is currently at work on a Christology focused on the biblical image of the Temple.

Kara Slade

Katherine Sonderegger

Katherine Sonderegger is Professor of Theology at Virginia Theological Seminary where she has taught since 2002. She is at work on a systematic theology, two volumes of which have appeared with Fortress Press, and the third is in production. She is a priest of the Episcopal Church, resident in the Diocese of Virginia.

Keith L. Johnson

Keith L. Johnson is Professor of Theology at Wheaton College, where he also serves as chair of the Undergraduate Biblical and Theological Studies department. He is the author of Karl Barth and the Analogia Entis (T&T Clark), The Essential Karl Barth: A Reader and Commentary (Baker Academic), Theology as Discipleship (IVP Academic), and the forthcoming Confronting Christian Nationalism: Karl Barth’s Path of Resistance (Baylor University Press).

Kendall Cox

Dr. Kendall Cox is the Director of Academic Affairs in the Templeton Honors College and Assistant Professor of Liberal Studies & Ethics. She also serves as Co-Director of the Bioethics & Medical Humanities Minor in Philosophy and as the undergraduate advisor for all honors students. Among the courses she teaches are HONR 280 “Beauty and the Arts,” HONR 330: “Jane Austen’s Pride and Prejudice,” and PHIL 240 “Narrative Medicine.”

Dr. Cox came to Templeton and Eastern from the University of Virginia, where she taught ethics and theology and was a Fellow at the Institute for Practical Ethics and Public Life, an Associate Fellow at the Institute for Advanced Studies in Culture, and affiliate faculty of the Center for Biomedical Ethics and the Humanities. She has a PhD in Religious Studies from UVA as well as an MDiv from Regent College, University of British Columbia. She studied Religion and Studio Art in undergrad at Wake Forest University and remains involved in the visual arts.

Her book Prodigal Christ was published with Baylor University Press (2022). It focuses on creative retellings of the Parable of the Prodigal Son in the work of Julian of Norwich and Karl Barth. In addition to chapters in edited volumes, she has published in The Journal of Reformed Theology, Word and World, Interpretation, and Syndicate.

Kimlyn J. Bender

Kimlyn J. Bender is Professor of Christian Theology and holds the Foy Valentine Chair in Christian Theology and Ethics at Baylor University’s George W. Truett Theological Seminary. He received his Ph.D. in theology from Princeton Theological Seminary. He is the author and editor of a number of books, including Karl Barth’s Christological Ecclesiology; Reading Karl Barth for the Church: A Guide and Companion; Confessing Christ for Church and World: Studies in Modern Theology; and Reflections on Reformational Theology: Studies in the Theology of the Reformation, Karl Barth, and the Evangelical Tradition. His most recent book is 1 Corinthians in the Brazos Theological Commentary on the Bible series. His work has been published in numerous journals and collections. He is the recipient of the Elie Wiesel Prize in Ethics (First Prize), the David Allan Hubbard Award from Fuller Theological Seminary, and the Outstanding Faculty Award from both the University of Sioux Falls and from Baylor University.

Paul D. Molnar

Paul D. Molnar is Professor of Systematic Theology, St. John’s University, Queens, New York where he has taught for over forty years and has published eight books and many journal articles related to the doctrine of the Trinity, Christology, and the theology of Karl Barth and of Thomas F. Torrance. His most recent books include The Centrality of Christ in the Theology of Thomas F. Torrance: Some Dogmatic Implications (London: Bloomsbury T&T Clark, 2024); Freedom, Necessity, and the Knowledge of God in Conversation with Karl Barth and Thomas F. Torrance (London: Bloomsbury T&T Clark, 2022); Divine Freedom and the Doctrine of the Immanent Trinity: In Dialogue with Karl Barth and Contemporary Theology (Second Edition) (London: Bloomsbury T&T Clark, 2017). He is currently a Consulting Editor with the Scottish Journal of Theology, on the Editorial Board of the Journal of Theological Studies, a Contributing Editor with Cultural Encounters: A Journal for the Theology of Culture, and on the Editorial Board of Participatio, the Journal of the Thomas F. Torrance Theological Fellowship.

Peter Casarella

Dr. Casarella’s primary field of study is systematic theology followed by world religions and world church. He was appointed to the faculty of Duke Divinity School as of July 1, 2020. Formerly, he was an associate professor of theology at the University of Notre Dame from 2013—2020 and served as director of the Latin American North American Church Concerns (LANACC) project in the Kellogg Institute for International Studies. He served as professor of Catholic Studies from 2007—2013 at DePaul University, where he was also the founding director of the Center for World Catholicism and Intercultural Theology. He has published ninety-one essays in scholarly journals or books on a variety of topics including medieval Christian Neoplatonism, contemporary theological aesthetics, intercultural thought, and the Hispanic/Latino presence in the U.S. Catholic Church. He served as president of The American Cusanus Society, The Academy of Catholic Hispanic Theologians in the U.S. (ACHTUS), and the Academy of Catholic Theologians (ACT). He is currently serving a second five-year term on the International Roman Catholic-Baptist World Alliance Ecumenical Dialogue and served also on the Roman Catholic-World Communion of Reformed Churches Dialogue. He has published a monograph, Word as Bread: Language and Theology in Nicholas of Cusa (2017) and a collection of his own essays, Reverberations of the Word: Wounded Beauty in Global Catholicism (2020). He has also edited or co-edited: Cuerpo de Cristo: The Hispanic Presence in the U.S. Catholic Church (1998), Christian Spirituality and the Culture of Modernity: The Thought of Louis Dupré (1998), Cusanus: The Legacy of Learned Ignorance (2006), A World for All? Global Civil Society in Political Theory and Trinitarian Theology (2011), and, most recently, The Whole is Greater than its Parts: Ecumenism and Inter-religious Encounters in the Age of Pope Francis (2020). He is currently working on a book titled: The God of the People: A Latinx Theology.

Philip G. Ziegler

Philip G. Ziegler is Professor of Christian Dogmatics at the University of Aberdeen. Educated at the Royal Military College of Canada, the University of Toronto, the University of St Michael’s College, Regis College, and Emmanuel College of Victoria University, his studies is systematic and historical theology, ecumenics, and the philosophy of religion culminated in a Postdoctoral Research Fellowship at Princeton University’s Center for the Study of Religion. After teaching for several year at the Atlantic School of Theology in Halifax, Canada, he joined the faculty of the University of Aberdeen in Divinity & Religious Studies in 2006. He is the author of Doing Theology When God is Forgotten: The Theological Achievement of Wolf Krötke (2007) and Militant Grace: The Apocalyptic Turn and the Future of Christian Theology (2018). He has edited and co-edited a number of works in including The Providence of God, Explorations in Christian Theology and Ethics: Essays in Conversation with Paul L. Lehmann, Christ, Church and World: New Studies in Bonhoeffer’s Theology and Ethics, and Eternal God, Eternal Life: Theological Investigations into the Concept of Immortality. Phil is an Associate Editor of the Journal of Reformed Theology and also serves, together with Ian MacFarland and Ivor Davidson, as series editor of T&T Clark Studies in Systematic Theology. Phil is a General Secretary of the Karl Barth Society of North America, and serves on the executive committee of the English language section of the International Bonhoeffer Society and the steering group of the ‘Bonhoeffer and Social Analysis’ section of the AAR. An ordained minister of the United Church of Canada, Phil is formally associated with the Kirk Session of the Cathedral Church of St. Machar in Aberdeen.

Victoria J. Barnett

Victoria J. Barnett has written and taught extensively about the history of the churches and the interfaith community during the Nazi era and about the German theologian Dietrich Bonhoeffer. From 2022–23, she was the Frank Talbott, Jr. Endowed Visiting Professor in Jewish and Religious Studies at the University of Virginia. She served as the Director of the Programs on Ethics, Religion, and the Holocaust at the United States Holocaust Memorial Museum from 2004–2019. From 2004–2014, she was one of the general editors of the multivolume Dietrich Bonhoeffer Works English Edition. She is a graduate of Indiana University, Union Theological Seminary (New York), and George Mason University. She is the author of “After Ten Years”: Dietrich Bonhoeffer and Our Times; For the Soul of the People: Protestant Protest against Hitler; and Bystanders: Conscience and Complicity during the Holocaust, and the translator of several works, most recently Christiane Tietz, Karl Barth: A Life in Conflict (2021).