Dr. Duréus served as a judicial clerk intern for Chief Judge William Stuart for the United States District Court for the Southern District of Iowa. Following graduation she worked in civil litigation at Gardere & Wynne, L.L.P. in Dallas, was a shareholder at Chapman & Reese, P.C., and returned to Iowa as an Associate Professor of Law at Drake University where she taught civil procedure, evidence and legal research & writing. She has served as Senior Counsel and the Chair of the Ecclesiastical Section of White & Wiggins, L.L.P. in Dallas since 1994 as a consultant, and is the Founder and President of Katallasso Ministries International™.