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
Bob Gillespie
Bob Gillespie began his journey in apologetics through 24 years of teaching Bible, History, and Science in Christian schools across the United States and on the mission field in West Africa. During that time, his passion was simple but powerful: to help students see that they can trust the entire Bible and confidently answer the… read more
Bryan Osborne
Bryan Osborne is a dynamic speaker and apologetics expert with a passion for defending biblical authority and reaching the lost with the gospel. He is the author of Woke Injustice, Quick Answers to Tough Questions, and Quick Answers to Social Issues. With over 20 years of experience teaching and speaking, Bryan’s practical, engaging style equips… read more
Chris Ashcraft
Chris Ashcraft is a Christian educator employed as a high school science teacher at Cedar Park Christian Schools, and adjunct professor at NW University. He currently provides instruction in Biology, Chemistry, Human Anatomy and Physiology, Biotechnology, and Creation Apologetics. Formerly, Chris was a biology research technician specialized in plant tissue culture and genetic transformation… 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. Heinz Lycklama
Dr. Heinz Lycklama earned a Bachelor’s degree in Engineering Physics and a Ph. D. degree in experimental Nuclear Physics from McMaster University in Canada. Since then he has worked in the telecommunications and computer software industries at Bell Telephone Laboratories in NJ and at Interactive Systems Corporation in CA – as an individual contributor and… read more
Dr. Joseph Kezele
Dr. Joseph Kezele studied the sciences and music at the University of Arizona, while earning his B.A. in Russian in 1971, and his M.D. in 1975. He then completed a Pediatric Residency and practiced Emergency Medicine for 25 years in the Phoenix area and was a diplomate of the American Board of Emergency Medicine and… 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