Mark and his wife, Janet, joined The Navigators® staff at the University of Texas in 1978. They later ministered at The University of Arkansas, attended Dallas Theological Seminary, and served on staff at Covenant Community Church in Oklahoma in preparation for opening ministries in Southern Africa with The Navigators in 1984. After 12 years in Zimbabwe, Swaziland, and South Africa, they returned to Texas to work with college students. Over the last eight years, Mark has served with college students, the 20s generation, and metropolitan areas in different leadership roles focused on sustaining disciples. Mark and Janet have three married children and one grandson.