Lee Barrett is the Stager Professor of Theology at Lancaster Theological Seminary. He is the author of several books on Søren Kierkegaard, including God’s Will and Human Freedom (2023), Eros and Self-Emptying: Intersections of Augustine and Kierkegaard (2013), Kierkegaard on and Foundations of Modern Theology: Kierkegaard (2010). He has edited Kierkegaard’s Religious Thought in Relation to Current Religious Discourse, (with Andrzej Slowikowski) (2024), Kierkegaard in Context (with Peter Sâjda) (2019), The T & T Clark Reader in Kierkegaard as Theologian (2018), and Kierkegaard and the Bible, tomes 1 and 2 (with Jon Stewart) (2010).

Lee has contributed numerous articles to the New Mercersburg Review and is a co-editor of the Mercersburg Theology Study Series. Lee holds several degrees from Yale University, including a Ph.D. in Religious Studies.

Bruce McCormack earned a bachelor degree from Point Loma Nazarene University, a M.Div. degree from Nazarene Theological Seminary, and a Ph.D. from Princeton Theological Seminary. He has been Weyerhaeuser Professor of Systematic Theology and the Charles Hodge Professor of Systematic Theology at Princeton Theological Seminary. Since 2023, he has been Chair of Modern Theology at the University of Aberdeen. He is the author of numerous books, including For Us and Our Salvation: Incarnation and Atonement in the Reformed Tradition (1993), Karl Barth's Critically Realistic Dialectical Theology: Its Genesis and Development, 1909–1936 (1995), Orthodox and Modern: Studies in the Theology of Karl Barth (2008), and The Humility of the Eternal Son: "Reformed" Kenoticism and the Repair of Chalcedon (2021). He has also co-edited numerous books and articles on the Reformed theology, particularly concerning the thought of Karl Barth.

Tekoa Robinson teaches a course entitled, "Faith, Reason, and Culture" at Villanova University where she is a doctoral candidate in the Theology and Religious Studies Department. She specializes in the areas of Systematic and Constructive Theology and Christian Spirituality with a focus on the work of Søren Kierkegaard. She often puts Kierkegaard’s works into critical conversation with various aspects of culture. She is most interested in how his vision of Christianity and critique of the institutional church may offer insights into how Christianity occurs and is communicated outside of the institutional church. Her forthcoming dissertation is titled, The Inverse Witness: A Kierkegaardian Vision of the Non-Institutional Communication of Christianity. She holds a Master of Arts in Theology from Villanova University and a Master of Divinity degree from Lancaster Theological Seminary.

The Rev. Thomas Busteed received his MAR in Liturgical Studies from Yale University and his MDiv from Lancaster Theological Seminary. He was a church organist and music director for two decades before being ordained to Word and Sacrament ministry in the Northeastern Pennsylvania Synod of the ELCA. He studied organ performance and sacred music at Lebanon Valley College while minoring in German. Thomas is a lifetime member of the Mercersburg Society and has contributed numerous articles to the New Mercersburg Review.

Deborah Rahn Clemens holds Ph.D. in Liturgics from Drew University. She is the Senior Pastor Emerita from New Goshenhoppen United Church of Christ. Deborah has been a long-time and very active member of the Mercersburg Society

The Rt. Rev. Dr. Nathan D. Baxter received his MDiv from Lancaster Theological Seminary in 1976, and his DMin in 1984. He has served as seminary dean and associate professor of church and ministry at Lancaster Theological Seminary and then as administrative dean and associate professor of pastoral theology at Episcopal Divinity School. In 1991 Rev. Dr. Baxter was appointed Dean of National Cathedral & Chief Administrative Officer of Protestant Episcopal Cathedral Foundation (the Cathedral, two colleges, and three independent schools). After this, he served as Diocesan Bishop, Episcopal Diocese of Central Pennsylvania from 2006 to 2014. More recently Bishop Baxter has been Professor of Practice at LTS, where the Nathan Baxter Fund for African American Studies has been established. He has been the recipient of numerous honors and awards, including chaplain of the Queen’s Venerable Order of St. John of Jerusalem, and has received eight honorary doctorates.

The Rev. Christopher Rankin, D.Min., is the pastor of Trinity United Church of Christ in East Petersburg. He earned his Master of Divinity and Doctor of Ministry degrees from Lancaster Theological Seminary. Chris has served on committees and boards in the United Church of Christ on the local and denominational levels. He is currently serving on the Lancaster-Lebanon Habitat for Humanity Board, and serves as coordinator of the Lancaster CROP Walk, Vice-Chair of the U.C.C. Homes Board of Directors, and a member of the Mercersburg Society Board.

The Rev. Timothy Dugan, D.Min., serves as pastor of St. Matthew's UCC, Carlisle, PA, a position he has held since 2010. A graduate of Kutztown University and Lancaster Theological Seminary ('97), Tim earned the Doctor of Ministry degree from Chicago Theological Seminary in 2007. While at Lancaster, Tim was awarded the Mercersburg Society Prize for a paper on Nevin and the Incarnation, as well as two prizes in Church History. He is a regular participant in the Mercersburg Theology study group. Tim is married to Adrienne Christine Dugan, and they have three grown children.

Rev. Dr. Kellie Turner is an alum of Lancaster Theological Seminary and Drew University. She also holds an undergraduate degree in Theatre. As an artist and faith leader, she focuses her work in bridging the arts within sacred worship. She serves as senior pastor of historic Trinity United Church of Christ in York, PA. Kellie is an accomplished musician and contributes her talents to the worship experience at LTS.

The Rev. Dr. Melvin R. Baber is the Joint Director of Field Education for both Lancaster Theological Seminary and Moravian Theological Seminary. From 2016-2019, he was an adjunct instructor at Lancaster Theological Seminary. Dr. Baber is a graduate of the Indiana University of Pennsylvania with a BA degree in Criminology, a graduate of the Virginia Union University School of Theology, Richmond, Virginia, where he earned his Master of Divinity degree, and a graduate of Lancaster Theological Seminary where he earned his Doctor of Ministry degree in 2015. Rev. Baber was ordained in 1982 by the Ebenezer Baptist Church, Lancaster, Pennsylvania. In 2004, Rev. Baber was called to be the Pastor of Friendship Baptist Church, York, PA, where he is still serving. Dr. Baber is the author of The Hurtful Use of Derogatory Language by Black Pastors About LGBTQ People in the Black Missionary Baptist Churches in the Central PA Region.

Rev. Dr. Mark Koscinski was ordained a deacon in the Byzantine Catholic Church in 2006. Currently, he is assigned to Holy Cross Polish National Catholic Church in Woodland Park, NJ. Over the course of his diaconate, Deacon Mark has served as the Chief Financial Officer of his diocese, administrator of a parish, and liturgical master of ceremonies for his bishop. When not involved in church matters, he works as an associate professor of accounting practice at Moravian University. Aside from holding a CPA license from the State of NJ, he also earned a Doctor of Arts degree in Eastern Christian Spirituality from Drew University. Deacon Mark is happily married to his wife Susan. He has three children and five grandchildren.

Rev. Dr. Linden J. DeBie received his Ph.D. from McGill University, Montreal. His books include Speculative Philosophy and Common-Sense Religion (Pickwick, 2008), The Mystical Presence: And the Doctrine of the Reformed Church On the Lord’s Supper, ed., (Wipf & Stock, 2012), Coena Mystica: Debating Reformed Eucharistic Theology, ed. (Wipf & Stock, 2012), John Williamson Nevin: Evangelical Catholic (Pickwick Publications, 2023), Dorian (a novel: Wipf &Stock, 2024), and Rip’s Knickerbockers (a novel: Wipf & Stock, 2024). He has also published numerous articles in journals such as The New Mercersburg Review and Theology Today. He has taught at New Brunswick Theological Seminary and Seton Hall University. He was ordained in the Reformed Church in America.