Ralph G. Del Colle (Ph.D., Union Theological Seminary, 1991), [Systematics/Ethics], is a lay Catholic systematic theologian who has taught at St. Anselm College in Manchester, New Hampshire and Barry University in Miami Shores, Florida. He is now associate professor of theology at Marquette University in Milwaukee, Wisconsin.
He received his B.A. in the History and Literature of Religion from New York University and his Master of Divinity and Ph.D. degrees from Union Theological Seminary in New York City. His area of concentration is Christology, pneumatology, trinitarian theology and the theology of grace. His doctoral dissertion, Christ and the Spirit: Spirit-Christology in Trinitarian Perspective was published by Oxford University Press in 1994 and he contributed a chapter on the "Triune God" to the Cambridge Companion to Christian Doctrine published by Cambridge University Press in 1997 and one on “The Church” to the The Oxford Handbook of Systematic Theology.
He has also published articles in Theological Studies, The Journal of Ecumenical Studies, The Journal of Pentecostal Theology, Pneuma: The Journal for the Society of Pentecostal Studies, The Scottish Journal of Theology, One in Christ, Ecumenical Trends, The Living Pulpit and Chicago Studies and has presented papers as an active member of the Catholic Theological Society of America, the Society for Pentecostal Studies (for whom he serves as President for 2002-2003), and the American Academy of Religion. He is also co-editor of the periodical from Blackwell Publishers, the International Journal of Systematic Theology.
He plans to continue research and scholarship in the areas of trinitarian theology, Christology and in explorations of the doctrine of grace in an ecumenical perspective.
Dr. Del Colle has also served on a number of ecumenical dialogues for the Catholic Church including the international dialogue with classical Pentecostals, the international consultation with Seventh Day Adventists, the U.S. dialogue with Reformed Churches and with Evangelicals, a regional dialogue with United Methodists and was a member of the Catholic delegation to the World Council of Churches Assembly in Harare, Zimbabwe in 1998.