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Guillermo has represented both plaintiffs and defendants in a wide variety of litigation matters at both the trial court and on appeal. His cases have included disputes involving oil and gas, real estate, construction, administrative appeals, personal injury, and general commercial disputes.

Prior to joining Graves Dougherty, Guillermo was an associate as Susman Godfrey, LLP in Houston. He also clerked for a federal district court judge in the Southern District of Texas.”


  • Admitted: Texas, 2016.
  • Education: The University of Texas School of Law (J.D., with honors, 2016); Chancellors; Order of the Coif; Texas Journal of Oil Gas & Energy Law; St. Mary’s University (B.B.A. in Corporate Financial Management, 2012).
  • Law Clerk to The Honorable Nelva Gonzales Ramos, U.S. District Court for the Southern District of Texas (2016-2017).
  • Associate, Susman Godfrey, Houston, Texas (2017-2018).


  • Austin Bar Association
  • State Bar of Texas