Previous to serving at Vanguard, he served local churches in California, Texas and Illinois. While at Vanguard University, Dr. Klaus also served as vice president for Latin America Child Care (LACC), a child development ministry serving over 80,000 children in 21 nations in Latin America and the Caribbean. His commitment to leadership development in growing churches around the world has taken him to preach and to develop leaders in over 50 nations in the world.
Dr. Klaus’ scholarly work includes publications and books published by Baker Book House, Moody Press, Logion Press, Regal Books, Hendrickson Publishers, Regnum Books International and Routledge Publishers. He is coeditor of Called and Empowered: Pentecostal Mission in Global Perspective and The Globalization of Pentecostalism: A Religion Made to Travel.