Marilynne received her Bachelor’s degree in government from the University of Texas at Austin. During college she worked as a page for the Speaker of the Texas House of Representatives, Gibson D. Lewis, and was active in her sorority. Upon graduating early from college, she moved to Houston and worked for a real estate management company. She attended and earned her Juris Doctor from South Texas College of Law.
Following her graduation, Marilynne served as a federal judicial law clerk to the Honorable Marcia A. Crone (1994-97). After completing her clerkship, she entered private practice at a boutique defense firm in Houston, representing employers and school districts around the state. While at the firm, Marilynne obtained summary judgments in a multitude of cases, submitted numerous briefs in the U.S. Court of Appeals for the Fifth Circuit, and assisted with two briefs in the United States Supreme Court. Also, she participated in trials in both federal and state courts as well as administrative hearings before administrative law judges. After five years of private practice, Marilynne returned to work for the federal judiciary, serving several federal judges in the Houston Division of the United States District Court for the Southern District of Texas, including Marcia A. Crone (1/02-9/03), Lynn N. Hughes & David Hittner (9/03-12/03), and Calvin Botley (12/03-12/09). During her last nine months with the federal judiciary and immediately prior to joining Oberti Sullivan, Marilynne served as a law clerk for Kenneth M. Hoyt (12/09-7/10) and John Froeschner (7/10-9/10) in the Galveston Division of the United States District Court for the Southern District of Texas. Marilynne assisted the judges in resolving complex civil litigation, including extensive briefing and trial. After a decade of public service, in October 2010, she returned to private practice with Oberti Sullivan. Marilynne speaks at seminars on federal practice issues and presents Law Day programs annually at local schools.