David E. Colmenero

Mr. Colmenero has experience in litigation and practices primarily in the State Tax Controversy and Litigation and State Tax Planning areas. He represents individuals, closely held businesses, and large corporations in all forums for Texas tax litigation, including the Texas State Office of Administrative Hearings, Texas District Court, the Texas Courts of Appeals, and the Texas Supreme Court. He has also represented clients in IRS audits, appeals, and litigation in the United States Tax Court, Federal District Courts and the United States Court of Federal Claims, U.S. Courts of Appeals, and the United States Supreme Court. Mr. Colmenero also represents business entities in litigation involving disputes with the Texas Workforce Commission.

Mr. Colmenero was previously a sales tax auditor for the State of Texas and, as a lawyer, has successfully represented taxpayers in contested proceedings involving sales and use tax, franchise tax, motor fuels tax, motor vehicle tax, mixed beverage taxes, employment tax and others. Mr. Colmenero represents taxpayers through contested Texas tax proceedings including audits, administrative proceedings before the Texas Comptroller, Texas State Office of Administrative Hearings, Texas Workforce Commission and in State court litigation.

Mr. Colmenero is a Certified Public Accountant and maintains active involvement in various professional legal and accounting organizations. He is also currently a member of the TXCPA Board of Directors. He previously served as Chair of the Tax Section of the State Bar of Texas and is also the immediate past chair of the Federal Tax Policy Committee of the Texas Society of CPAs. Mr. Colmenero received the TXCPA Outstanding Committee Chair Award for 2023-2024 in recognition for his outstanding leadership of the TXCPA Federal Tax Policy Committee. In 2023, Mr. Colmenero was also awarded the Stanley J. Scott CPE Award for outstanding contributions and dedicated service to the Continuing Education Program for the TXCPA Dallas Chapter. He is a member of the 2025-2026 Comments Subcommittee of the Federal Tax Policy Committee. He is a past chair of the Dallas CPA Society and past chair of both the State and Local Tax Committee and the Tax Controversy Committee of the Tax Section of the State Bar of Texas. He helped form the Leadership Academy for the Tax Section of the State Bar of Texas and served as its Program Director for several years. He frequently speaks on substantive and procedural tax issues involving both federal and state tax matters.

Mr. Colmenero was admitted to practice in Texas in 1997.