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Joy Riley

D. Joy Riley, M.D., M.A. is board-certified in internal medicine and has a master's degree in bioethics from Trinity International University. The executive director of The Tennessee Center for Bioethics & Culture, she writes and speaks on a variety of bioethics topics, with special interest in reproductive technologies, medical ethics, and stem cell research. She and her husband, an obstetrician/gynecologist, have three sons and live in Brentwood, TN.

Mark Sayers

MARK SAYERS is the lead pastor of Red Church. Passionate about spiritual renewal and the intersection of faith and culture, he is the author of numerous books, including A Non-Anxious Presence and Reappearing Church. He also hosts the Rebuilders podcast. Mark lives in Melbourne, Australia, with his wife, Trudi, their daughter, Grace, and twin boys, Hudson and Billy.

Joe Gorra

JOSEPH E. GORRA is engaged in content development and publicity, research, writing, editing, and speaking. His writings can be found through various outlets, including the Christian Research Journal, the Journal of Spiritual Formation and Soul Care, and the Evangelical Philosophical Society. Through Veritas Life Center, he cultivates multidisciplinary research, writing, and speaking on practical theologies of spiritual formation designed for the flourishing of our public life with others. www.veritaslifecenter.org

Edward W. Ulrich

Captain Ed Ulrich (1922-2003) served as a pilot with Christian and Missionary Alliance in New Guinea, then with Kroonduif, a KLM subsidiary airline, and later with the CIA's Air America in southeast Asia. Some of these aviation and cross-cultural adventures are recounted in Out There Beyond Beyond. He and his wife Elaine lived in Sharon, Pennsylvania, and were both active members of the North Mar Alliance Church in Warren, Ohio. They have four adult children.

Kyle DiRoberts

KYLE DIROBERTS (PhD, Dallas Theological Seminary) is the department chair and associate professor of Biblical and Theological Studies at Arizona Christian University in Glendale, Arizona, adjunct professor at Dallas Theological Seminary, and pastor of the Minister-in-Residence program at Scottsdale Bible Church. Kyle is the author of The Secret to Prayer. He and his wife, Lolly, live in Scottsdale and have three boys.

Ruth Schleppi-Verboom

RUTH SCHLEPPI-VERBOOM first heard Joni speak as a teen in the Netherlands and became a lifelong fan. Years later, they met face to face—and heart to heart—after Ruth and her husband, filmmaker Helmut Schleppi, moved to California. There they raised their four children. Now splitting time between the U.S. and the Netherlands, Ruth—storyteller at heart—writes about life, food, travel, God, and everything in between at TruthfullyRuth.com.

Michael Rydelnik

DR. MICHAEL RYDELNIK is Vice President/Academic Dean and Professor of Jewish Studies and Bible at Moody Bible Institute. He is also the Host/Bible Teacher on Open Line with Dr. Michael Rydelnik, answering listener Bible questions on over 225 stations nationwide across Moody Radio. The son of Holocaust survivors, he was raised in an observant Jewish home in Brooklyn, New York. As a high school student, Michael became a follower of Jesus the Messiah and began teaching the Bible almost immediately. Besides his work on The Moody Bible Commentary and The Moody Handbook of Messianic Prophecy as coeditor and contributor, Michael is also the author of 50 Most Important Bible Questions, The Messianic Hope: Is the Hebrew Bible Really Messianic?, and Understanding the Arab-Israeli Conflict. Michael and his wife, Eva, live in Chicago, love hiking with their collie and boxer, and have two terrific adult sons, a delightful daughter-in-law, and the cutest grandchildren in the world.

Sarah Lew Tierney

SARAH LEW TIERNEY is a Canadian-American who was born to missionary parents and spent her childhood in the mountains of Eastern Congo (DRC). Due to political unrest, her family moved to Illinois where she met and married her high school sweetheart. Jake and Sarah have two children -- a ninja and an artist -- and continue to reside amongst the cornfields today. She is a licensed clinical counselor by day...and a passionate writer typing madly at her keyboard by night (after the ninja and the artist go to bed). Her writing includes fiction, nonfiction, and personalized birthday songs for friends and family, which she performs accompanied by her dashing mandolin-wielding husband. She loves to collaborate on book projects and especially enjoyed teaming up for The Stranger at Our Shore with her friend, Joshua Sherif.

Jennifer Lucy Tyler

JENNIFER LUCY TYLER is a wife, mom, Bible teacher, speaker, and author. Since 2006, she has traveled the globe, speaking at conferences to groups of women and youth and serving trafficking victims and orphans throughout several countries. One of her passions is helping women grow spiritually through online courses, retreats, events, and Bible studies. In 2018, Jennifer founded SoulCircles Ministries. SoulCircles began as an alternative ladies’ night out to study the Bible and has since become a virtual hub for women to learn theology and inductive Bible study from women of color Bible teachers. Jennifer is a Senior Church Advisor for World Vision and has a heart for serving the church through local and global missions. In the fall of 2025, Jennifer will release her book When Dreams Fall Apart: How Unanswered Prayers Can Deepen Your Intimacy with God with Moody Publishers. Jennifer resides in Maryland with her husband, Jeffrey, and their daughter, Justice.

Curt Hamner

CURT HAMNER is a pastor and cofounder along with his wife, Rhonda of Between Two Trees (betweentwotrees.org), a marriage ministry designed to resource couples and communities with tools to pursue God's design for marriage. Curt is also the founder of Bed and Breakfast with Purpose Retreats, and is a mentor with The Master's Program (a three-year marketplace leadership coaching ministry). Together Curt and Rhonda speak throughout the US and around the world helping couples enrich their marriages. They host DreamMaster Retreats for second half couples working together on vision and strategic plans for the years after career and family. Curt is a graduate of Dallas Seminary and served with Chuck Swindoll at the church they pastored in Fullerton, CA. The Hamners have three adult children and five grandchildren. They live in the mountains of southern California.

Vicki Rose

VICKI ROSE is a strong Bible teacher with a relevant, life-changing message. She was born and raised in New York City and upon graduating from Sarah Lawrence College in 1975, Vicki began her retail career at Saks Fifth Ave and went on to marry Bill Rose in 1977.After almost 10 years of marriage, Vicki found herself the single mother of a 1 ½ and 4 year old, separated from her husband who was addicted to cocaine, woman and work. 1 ½ years later, Vicki accepted Christ through an outreach dinner at age 35 and became a passionate follower of Jesus Christ with a deep hunger for His word. As Vicki began to pray for her husband to also know Christ, her heart toward him changed and they were reconciled after he accepted Christ, entered rehab and they spent time in counseling. They had been separated for 5 ½ years. Both Vicki and Bill are Jewish believers though neither was raised in a religious Jewish home. Vicki has taught, facilitated and led many Bible Studies for women in her church as well as acted as Prayer Coordinator for the Women’s Ministry and has taught and shared her testimony all across the U.S. as well as in Nicaragua, Poland, Russia, Bulgaria and Italy.

Abraham Kuruvilla

ABRAHAM KURUVILLA is Professor of Pastoral Ministries at Dallas Theological Seminary. He centers his ministry around the art and science of preaching: exploring preaching through research and scholarship, explaining preaching by training the next generation of church leaders, and exemplifying preaching in regular pulpit engagements in the U.S. and elsewhere. He has served as the interim preacher at churches in Texas, Massachusetts, and as President of the Evangelical Homiletics Society. In addition, he has written several preaching commentaries and he blogs regularly at www.homiletix.com. In his other life, Dr. Kuruvilla is a Diplomat of the American Board of Dermatology, and he maintains an active clinical schedule seeing patients and taking care of their skin, hair, and nails. Single by choice, Abe has a special interest in the theology of Christ-centered singleness and celibacy.

Glenn T. Stanton

GLENN T. STANTON is the director of Family Formation Studies at Focus on the Family in Colorado Springs and a research fellow at the Institute of Marriage amd Family in Ottawa. He debates and lectures extensively on the issues of gender, sexuality, marriage and parenting at universities and churches around the world. Stanton served the George W. Bush administration for many years as a consultant on increasing fatherhood involvement in the Head Start program. Glenn is an author and contributor to many books and is quoted as a leading spokesperson on marriage and family issues. His latest book, Loving My (LGBT) Neighbor: Being Friends in Grace and Truth, explores how Christians should interact with gay or lesbian neighbors in a Christ-honoring way. He is also the author of The Ring Makes All the Difference and Secure Daughters, Confident Sons: How Parents Guide Their Children into Authentic Masculinity and Femininity. Stanton is a graduate of the University of West Florida with graduate degrees in philosophy and history. He now makes his home in Colorado Springs with his wife and five children.