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
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
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
Louis Markos
Louis Markos (PhD, University of Michigan), is a Professor of English and Scholar in Residence at Houston Christian University, where he holds the Robert H. Ray Chair in Humanities. He teaches courses on British Romantic and Victorian Poetry and Prose, the Classics, C. S. Lewis and J. R. R. Tolkien, Art and Film. His… read more
Nathan Jones
Dr. Nathan E. Jones serves as the Director of Internet Outreach/Internet Evangelist at Lamb & Lion Ministries, reaching out to the billions of people accessible over the Internet with the Good News of Jesus Christ. He has served in the ministry since August 2007. Nathan co-hosts the ministry’s weekly television and radio programs Christ in Prophecy and… read more
Scott Weckerly
Scott Weckerly lives in Nashville, TN where he was a full-time musician for over 26 years. He still performs professionally but has scaled back his music career to allow more time for his passion to speak and teach on Biblical apologetics. Scott has taught at churches, life groups and youth retreats across the country for… read more







