Mark L. Doorn, Spiritual Writer and Servant of God. Mark is the second of three children born to Dr. Robert & Glenyce Doorn, pioneers of ministry, both at 87 years of age, have dedicated nearly 70 years of their lives to serving in the ministry and mission field, and still going strong preaching the gospel. Mark is a longtime member of Bishop Clint Brown's Church, Judah Ministries (formerly Faith World) where he is spiritually fed and encouraged through the living Word of God. Mark works as a Project Manager for Walt Disney World for 12 years of his career. He previously lived and worked 25 years at a prestigious entertainment law firm in Los Angeles, CA.