Andrea Reitan
Andrea Reitan leads a biweekly small group on Zoom for Eastside City Church in Calgary, Alberta, focusing on creation science and apologetics. She has been involved with the Creation Science Association of Alberta (CSAA) since 2015, serving as the Calgary Regional Representative since 2020 and accepting the role of Vice President in 2025. Certified as… read more
Charlie Campbell
Charlie Campbell is a pastor, author, and founder of the ABR Apologetics Ministry (AlwaysBeReady.com). Since founding ABR in 2005, he has spoken at hundreds of churches on a wide variety of topics related to the defense of the Christian faith. Prior to ABR, Charlie was an instructor at Calvary Chapel Bible College in Murrieta, CA… read more
Dan Kreft
Dan Kreft, the Seven-Foot Apologist, is a cross-generational teacher, itinerant speaker, and author of the three-volume book, “Jesus” Is Not the Answer to Every Sunday School Question. In addition to his own ministry, he is also on the speaking team for Striving for Eternity. Dan earned a BS in electrical engineering from Northwestern University,… read more
Dr. Anthony Silvestro
Dr. Anthony Silvestro is a renowned expert in creation science. His extensive knowledge and engaging speaking style make him a sought-after speaker and trainer. Once an evolutionist, Dr. Silvestro now champions biblical creationism, advocating for the Bible’s trustworthiness from Genesis onward. Residing in a Cleveland suburb with his family, he combines his background in math,… read more
Dr. E. Calvin Beisner
Prominent evangelical scholar, author, and founder and president of the Cornwall Alliance for the Stewardship of Creation, Dr. E. Calvin Beisner combines ethics with economics, history, and environmental science to educate the public and policymakers about Biblical earth stewardship, economic development for the poor, and the proclamation and defense of the gospel of Jesus Christ—all… read more
Dr. Jerry Bergman
Dr. Jerry Bergman is a multi-award winning professor and author. His 9 degrees are in the area of science, including a PhD. from Wayne State University. He has taught at both the graduate and undergraduate level for over 40 years, at the Medical College of Ohio. His over 2,200 publications are in both scholarly… read more
Dr. John D. Wise
Dr. John Wise received his PhD in philosophy from the University of CA, Irvine in 2004. He tells the story of his 25-year odyssey from atheism to Christianity in the book, Through the Looking Glass: The Imploding of an Atheist Professor’s Worldview (available on Amazon here). Since his return to Christ, his research interests include… read more
Dr. Juan Valdes
Dr. Juan Valdes has spent over 35 years equipping believers to confidently defend their faith in an increasingly skeptical culture. As a pastor of a bilingual (Spanish-speaking) congregation in Miami, Florida, he combines real-world ministry experience with a deep passion for apologetics, specializing in origins, science, and the relationship between faith and reason. From… read more
Frank Figueroa Jr.
Frank Figueroa is a Christian apologist, evangelist, and speaker with Reasons for Hope, a ministry dedicated to equipping believers with biblical truth and encouraging them to boldly share their faith. Known for his energetic and engaging style, Frank has a gift for making complex theological and cultural issues clear, practical, and compelling. His background as… read more
John Harris
John Harris has been the Director of Living Waters Europe since 2013. John is an international speaker at conferences as well as churches throughout the world and teaches monthly classes in apologetics, science and theology. He regularly leads street teams in open-air and one-to-one witnessing and has been hosting the yearly European Living Waters Ambassadors’… read more