Impact Authors


David Austin

David is passionate about becoming spiritually mature and helping the Church to be successful in Disciple-Making. He is interested in moving to an “Open Source” ministry model; recruiting and teaming with others who are passionate about empowering people to be eternally successful in Christ’s Kingdom and to see the body of Christ grow spiritually within the context of the local church across all languages and cultures worldwide.

 
 

Dan T. Lioy

Professor Dan Lioy (PhD, North-West University) holds several faculty appointments. He is the Senior Research Manager at South African Theological Seminary (in South Africa). Also, he is a professor of biblical theology at the Institute of Lutheran Theology (in South Dakota). Moreover, he is a dissertation advisor at Portland Seminary (part of George Fox University in Oregon). Finally, he is a professor in the School of Continuing Theological Studies at North-West University (in South Africa). Professor Lioy is active in local church ministry, being dual rostered with the Evangelical Church Alliance and the North American Lutheran Church. He is widely published, including a number of academic monographs, peer-reviewed journal articles, and church resource products.

Hal Warren

(Impact Blog Coordinator)

Hal has been teaching the Bible for over three decades. Through an interdenominational ministry dedicated to helping the local church build men for Jesus, Hal trained men, the leaders of men’s ministries, and provided pulpit supply. Before that, he was a Men’s Ministry Leader and an Adult Bible Fellowship teacher of a seventy-five-member class at a denominational megachurch. Presently, Hal desires to honor Jesus Christ through this Internet teaching ministry, thereby glorifying the Heavenly Father, in the power and presence of the Holy Spirit.

Hal is a Professional Engineer, holding an MBA from Liberty University and a Ph.D. in Engineering. He is in his second career as an adjunct professor at a large research university. In his first career, He served six years honorably in the USN Nuclear Power Program, followed by a distinguished 36-year career in the commercial nuclear energy field. 

Hal and his wife have five adult children, several grandchildren, and with more grandchildren on the way! He believes, second to cultivating his relationship with God, that raising his family unto the Lord is the most significant task for him while on Earth. Furthermore, Hal believes that being a successful leader in the church or workplace is no substitute for failing to be a successful leader at home.

Topical Index to Hal’s Blogs