Dr. Andreas Johannes Köstenberger was born on November 2, 1957, in Vienna, Austria. He grew up a nominal Roman Catholic and was converted to Christ in 1981. He earned a Mag. rer. soc. oec. (1980) and Dr. rer. soc. oec. (1982) from the Wirtschaftsuniversität Wien (Vienna University of Economics and Business). At age twenty-seven, he emigrated to the United States where he completed a Master of Divinity at Columbia Bible College and Graduate School of Missions (1988) and a Ph.D. at Trinity Evangelical Divinity School (1993). At Trinity he studied with the well-known scholar and co-founder of the Gospel Coalition, D. A. Carson. He published his dissertation The Missions of Jesus and the Disciples according to the Fourth Gospel in 1998.

C. R. Wiley has been happily married for over 38 years and he has three grown children and five grandchildren (and counting). He resides in the state of Washington.

He has written for Touchstone Magazine, Modern Reformation, Sacred Architecture, The Imaginative Conservative, Front Porch Republic, National Review Online, and First Things, among others. He also contributes to World Magazine’s on-line editorial page. His most recent book is, In the House of Tom Bombadil (2021). He is also the author of, The Household and the War for the Cosmos (2019). His short fiction has appeared in The Mythic Circle (published by the Mythopoeic Society) and elsewhere, and the first book in his young adult fantasy series, The Purloined Boy was published in 2017. He is a co-host of The Theology Pugcast, a board member of the Academy of Philosophy and Letters, as well as New Saint Andrews College, and he is a Senior Editor of Touchstone Magazine.

Robert A. J. Gagnon is Professor of New Testament Theology at Houston Baptist University. Previously he was a tenured Associate Professor of New Testament at Pittsburgh Theological Seminary, teaching there for 23 years (1994-2017). Before that he had a one-year position as Visiting Professor of Religion at Middlebury College in Vermont. He has a B.A. degree from Dartmouth College, an M.T.S. from Harvard Divinity School, and a Ph.D. from Princeton Theological Seminary. His main fields of interest are Pauline theology and sexual issues in the Bible. He is a member both of the Society of Biblical Literature and of the Studiorum Novi Testamenti Societas [Society of New Testament Studies]. He is also an ordained elder at a Presbyterian Church (USA) in Pittsburgh. He is the author of The Bible and Homosexual Practice: Texts and Hermeneutics; co-author (with Dan O. Via)  and of Homosexuality and the Bible: Two Views.

Jerod Harper is the Executive Pastor at Redeemer Church Eastside in Bellevue, Washington, where he has served since May 2021. Prior to this, he was the Gospel Communities Ministry Director at Redeemer Church of Lubbock and Family Pastor at Immanuel Bible Church in Bellingham, Washington. He has also worked with the Southern Baptist Theological Seminary where he obtained his Master of Divinity, and served internationally with the IMB (International Mission Board). Jerod brings over 15 years of ministry experience, specializing in church leadership, administration, evangelism, and church planting. Jerod is married to his wife Lauren and has three daughters.

Ryan oversees the academic and spiritual formation of the students and faculty at Regents Schoool of Austin as well as partnerships with local churches and ministries. He has a PhD and an MDiv from The Southern Baptist Theological Seminary, and a BA from The Citadel, where he studied English Literature. 

He has been teaching theology and higher education for over 12 years, both as a full professor at Western Seminary and as a pastor at Trinity Church of Portland. He has developed and taught multiple courses on biblical studies, church history, and Christian ethics, and has published several articles and books on these topics.