Lauren K. Valastro



  • Texas Tech University School of Law (J.D., magna cum laude, 2012)
  • Texas Tech University (B.A. in Spanish and Political Science, summa cum laude with honors, 2008)

Areas of Practice:

Admitted to Practice:

  • Texas
  • U.S. District Courts for the Northern, Southern, Eastern and Western Districts of Texas
  • U.S. Second Circuit Court of Appeals
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Lauren K. Valastro


(713) 333-5143

[email protected]

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Lauren K. Valastro is an Associate at Diamond McCarthy's Houston office. Her practice focuses on defense representation in complex commercial, energy, and environmental litigation and arbitration, including contracts, securities, insurance, indemnification, greenwashing, toxic tort, DTPA, and fraud.  In addition to several years representing clients in high-stakes securities litigation involving the 2008 economic crisis, Lauren also has a broad range of environmental experience including litigation concerning the remediation and restoration of contaminated properties, cost-recovery and contribution actions under CERCLA, RCRA, and state counterparts, condemnation, tribal issues, claims for property and economic damages, contract disputes, and the assessment and recovery of natural resource injuries and damages.

Lauren has second-chaired a month-long environmental jury trial to a favorable verdict and has successfully argued high-stakes motions of all types in state and federal courts.  Lauren has also argued in the United States Second Circuit Court of Appeals and has represented clients before various state appellate courts.

Lauren graduated first in her college class from Texas Tech University, summa cum laude with honors, with a B.A. in Spanish and Political Science and received her J.D., magna cum laude, from Texas Tech University School of Law.  In law school, Lauren served as Editor of the Texas Tech Law Review and clerked for Judge Ruben G. Reyes in the 72nd Judicial District of Texas. She also currently participates in the Leadership Counsel on Legal Diversity Pathfinder Program and has authored a number of publications on natural resource damages, preemption in evolving energy markets, custody dispute standards and more. 

  • LCLD 2018 Pathfinder
  • Texas Tech Alumni Association -- Houston Board of Directors
  • Spanish
  • French