The Radius Conference Speakers

John MacArthur has been the pastor of Grace Community Church in Sun Valley, California since February 9, 1969. John is known for his internationally syndicated Christian teaching radio and television program Grace to You. He is currently the chancellor emeritus of The Master’s University in Santa Clarita and The Master’s Seminary.

MacArthur is a strong proponent of expository preaching, and has been acknowledged by Christianity Today as one of the most influential preachers of his time. MacArthur has written or edited more than 150 books, most notably the MacArthur Study Bible, which has sold more than one million copies, receiving a Gold Medallion Book Award.

John and his wife, Patricia, have four children and fifteen grandchildren.

Costi Hinn serves as the pastor of preaching and teaching at Shepherd’s House Bible Church in Chandler, AZ. He is the founder of For the Gospel. Costi is a graduate of Midwestern Baptist Theological Seminary and the author of several books, including More than a Healer (Zondervan, 2021), God, Greed, and the (Prosperity) Gospel (Zondervan, 2019), and Defining Deception (SCS Press, 2018). He has also coauthored a children’s book alongside his wife, Christyne, titled In Jesus’ Name I Pray: TJ the Squirrel Learns the True Heart of Prayer (Harvest House Kids, 2022). He and Christyne live in Gilbert, AZ, with their four children.

Aubrey Sequeira is the senior pastor of the Evangelical Community Church in Abu Dhabi, United Arab Emirates, where he has served for the last five years. He holds a PhD in Biblical Theology and Old Testament from the Southern Baptist Theological Seminary in Louisville KY. Aubrey teaches biblical and systematic theology as an adjunct professor and board member of Gulf Theological Seminary in the UAE. He is the author of several articles for both academic and pastoral journals and is a contributing editor for the Journal of Global Christianity. Aubrey has served in pastoral ministry, church planting, and pastoral training in North America, the Middle East, and in his native India. He currently serves as the Chairman of the Council of Evangelical Churches in the United Arab Emirates. Aubrey is married to Nishika, and they are blessed with three daughters.

Wayne and his wife Gail were part of a church planting team that planted a church among the Biem people (a formerly unreached people group) of Papua New Guinea. Wayne and his wife Gail lived among the Biem for 11 years, and by God’s grace, were able to see a strong, mature N.T. church brought to maturity. Wayne was recently named as Director of Radius Asia and was blessed to see the first class of students gradate from the program. Wayne is a gifted speaker that is in high demand in Mandarin, English and Taiwanese contexts.

Ian Hamilton has been minister of Cambridge Presbyterian Church since 1999. He graduated from Edinburgh University in 1979 and became the minister of Loudoun Church of Scotland, Newmilns, Ayrshire in the same year, serving there for almost twenty years. He is married to Joan, and they have four children.

Ian Hamilton is a Trustee of the Banner of Truth Trust and has preached at conferences around the world. His books include a commentary on the Letters of John, published by the Trust in the ‘Let’s Study’ series, The Faith-Shaped Life and, The Gospel-Shaped Life.

Brooks and his wife Nina are graduates of Christian Heritage College. Brooks worked as the CFO of a Dutch multinational before he and wife were challenged through God’s word to take the gospel to an unreached people group. In 2003 they moved in among the Yembi Yembi people and spent the next 13 years working among them. They were able to develop an alphabet, teach them how to read and write in their own language for the first time, translate the entire N.T. and large portions of the O.T. and teach through the Biblical narrative till a church came into existence. In 2016 elders were in place and the church was strong and they returned to the U.S. In 2017 Brooks was named as President of Radius International.

Chad Vegas is the founding pastor of Sovereign Grace Church in Bakersfield, CA, where he has served since 2006. He is a founding board member and Chairman of RADIUS International. Chad speaks regularly at conferences on Missions and Missiology as well as writing material for RI.

Chad received his M.A. from Talbot School of Theology. He also spent nearly two decades in public school education as both a teacher and a Board member. He has been married to Teresa since 1994, and they have 2 children.

Brad and His wife Beth spent over 20 years planting a church among the Iteri people. After a strong N.T. church was planted among the Iteri people they returned to the U.S. to be part of raising up the next generation to fulfill the Great Commission. Upon returning it became apparent there was a great need for quality cross-cultural training for missionary candidates. Along with 5 other pastors and missions pastors, he helped found what became Radius International. Brad is a primary contributor to the RADIUS REPORT , sought after Prospectives Speaker and primary church planting instructor at Radius International.