Rex represents employers before the NLRB in representation matters and unfair labor practice charges. He also assists clients with investigations and audits before the U.S. Department of Labor. Rex also routines advises governmental entities, non-profit and charitable organizations on a variety of legal compliance matters.

Rex is a sought-after speaker on many employment topics. His presentations include wage-and-hour compliance, employee leave issues, garnishments, and a variety of labor and employment legal updates.

Prior to joining McMahon Berger, Rex served for six years as Assistant Attorney General for the State of Missouri.