Brother Vest is a military veteran who served in the U.S. Army and served overseas until being involved in a grenade explosion ending his military service. He later studied and became an ordained minister and is registered with the National Association of Christian Ministers and is also registered with the Evangelical Convention. Brother Vest is continuing his studies in Theology online with the Dallas Theological Seminary with concentrated studies in Soteriology (the study of Salvation) and Pneumatology (the study of the Holy Spirit). Donald Vest is married to Renee (Deloe) Vest. They have four children and four grandchildren.