the Cross and the Conquest

Bio update pending

Ben Clifton is the President of Apologetics On Mission, a 501(c)(3) ministry based in Oregon that equips Christian defenders around the world. The ministry now includes a growing team of over 15 leaders, serving in Africa, Eastern Europe, Southeast Asia, and South America.

A former atheist and electrical engineer, Ben once believed science disproved God—until he came to faith in Jesus Christ in 1997 through the prayers of his wife, Joey, and the transforming work of the Holy Spirit. Though he believed in Christ’s resurrection, his intellectual questions led him into apologetics, where he continues to grow and teach today.

Ben earned an MA in Christian Apologetics from Biola University and previously taught at Canby Bible College. In 2017, he left a tech career to join Eternal Impact and began training emerging leaders in East Africa. These efforts led to the launch of Apologetics On Mission in 2022.

He lives in Oregon City with his wife, Joey, of over 30 years. They have two adult children and currently attend The Well Community in Portland.

Mwangi Chege is a Mechanical Engineer, entrepreneur and Christian apologist who has been involved in Christian ministry and apologetics ministry for over10 years. He is the Vice chair at Apologetics Kenya a ministry interested in the confluence of Christianity and culture in Africa. He holds a Degree from JKUAT and a Certificate in Apologetics from RZIM. He is also a writer and speaker for Timazi Africa. He is married to Lilian and they are blessed with 3 children: Gaitho, Mwaniki and Tugi.

Danson Ottawa serves as the National Coordinator of the Africa Center for Apologetics Research (ACFAR), Kenya, a ministry dedicated to equipping believers across Africa in the defense of the faith, biblical discernment, and cult evangelism. He lectures in apologetics and theology at Africa International University, where he earned his Master of Divinity in Biblical Studies. Danson is a member of Emmanuel Baptist Church, Nairobi, and is privileged to be married to Mwikali Ottawa.

The Rev. Dr. Kevin Muriithi Ndereba (PhD, University of South Africa) is a Kenyan Practical Theologian, Presbyterian Minister and Theological Educator working as Lecturer and Head of the Department of Practical Theology at St. Paul’s University. Kevin is editor/author of the books Apologetics in Africa (Langham 2024) and Youth Ministry after the Pandemic (Wipf and Stock, 2025). His research/speaking interests are in the fields of youth ministry, apologetics, practical theology, faith and science. He is married to Jessica, and Father to Noah.

Kennedy is a dedicated youth leader and creative strategist serving with passion in the Kinara Leadership Program at Nairobi Chapel. He has led numerous mission initiatives and creative events across Kenya, with a heart for reaching and empowering the next generation. Kennedy is gifted in public speaking, event coordination, and mentoring young leaders. His calling is to inspire transformation through faith, creativity, and servant leadership. He is also actively involved in the gospel industry (Blue Flames). marketing, web and mobile app development, and branding.

Bill Scott is Ratio Christi Chapter Director, Houston Christian University in the US. Ratio Christi is a renown global apologetics movement working in campuses across the world. He previously served as a youth pastor, church planter, and itinerant speaker. He graduated from Kentucky Mountain Bible College, Magna Cum Laude, with a Bachelor’s degree in Biblical Studies, and also holds a Masters of Arts in Cultural Apologetics and Certificate in Philosophical Apologetics from Houston Baptist University. He resides with his wife Tabitha in Houston, Texas.

Tim Kyarie is a talented teacher and a passionate defender of Christian doctrine, with a deep interest in biblical studies, the ancient Near East, Semitic languages, the Old Testament, church history, and demonology. He engages in mission work to reach Muslims, non-Orthodox denominations, cults, and traditional African religions, and is committed to training the church in proper Bible study, interpretation, and apologetics. He taught at Karura Chapel’s youth ministry for four years, leading apologetics, prayers, and missions at CITAM Valley Road’s Saturday PM ministry for another four years, and now serves as deputy chairperson of Apologetics Kenya.

Tim is also a seasoned professional specializing in brand architecture, visual design, web and mobile app development, and digital strategy. Over the course of his career, he has worked for both mid-sized and leading advertising agencies. Currently, he manages his agency, The Dusty Spice, which focuses on collaborative marketing, web and mobile app development, and branding.