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Mr. Vasquez concentrates his practice on federal, state, and international transactional and tax controversy matters, including income, employment, sales, franchise, motor fuels, tobacco, and other excise matters before the IRS and state taxing authorities. Mr. Vasquez has experience resolving IRS examinations, collection cases, installment agreements, offers in compromise, requests for collection due process hearings, private letter rulings and requests for innocent spouse relief. Mr. Vasquez has also resolved numerous administrative appeals before the IRS Office of Appeals. Mr. Vasquez has also handled civil tax litigation matters, including serving as first and second chair in proceedings before the United States Tax Court, United States District Court, and the United States Court of Appeals for the Fifth Circuit. Mr. Vasquez has settled a number of cases before the IRS Office of Chief Counsel short of or during trial. Mr. Vasquez has also provided defense in criminal tax matters and has successfully resolved cases before the IRS Criminal Investigation Division. Mr. Vasquez has also organized and provided business and tax planning advice to corporations, partnerships and limited liability companies. Mr. Vasquez represents a broad range of clients including individuals, privately held businesses, and large Fortune 500 companies.

Mr. Vasquez is also a Certified Public Accountant (CPA). Prior to entering the practice of law, Mr. Vasquez worked with a Big Four public accounting firm where he advised mid-size to large multi-national corporations on federal, state, local and international tax issues, reviewed income tax provisions for financial statement disclosures, and prepared and reviewed U.S. federal and state income tax returns.

Mr. Vasquez strongly believes in giving back to the community. Mr. Vasquez has provided representation in, and successfully resolved, pro bono cases through the Tax Court Pro Bono Program of the State Bar of Texas (SBOT), Section of Taxation. He also serves as the San Antonio Co-Coordinator for the SBOT Tax Court Calendar Call Pro Bono Program. Mr. Vasquez is also the Treasurer of the Hispanic National Bar Association Legal Education Fund. Mr. Vasquez has also volunteered with several other community non-profit organizations and local and national bar associations.


  • 112 East Pecan Street, Suite 1450
    San Antonio, TX 78205


  • New York University, LL.M.
  • The University of Texas, J.D.
  • University of Virginia, B.S., M.S.

Lawyer of the Year Badge - 2023 - Litigation and Controversy - Tax Lawyer of the Year Badge - 2021 - Litigation and Controversy - Tax Lawyer of the Year Badge - 2019 - Litigation and Controversy - Tax

Named "Lawyer of the Year" by Best Lawyers® for:

  • Litigation and Controversy - Tax, San Antonio (2023)
  • Litigation and Controversy - Tax, San Antonio (2021)
  • Litigation and Controversy - Tax, San Antonio (2019)

Recognized in The Best Lawyers® in America 2023 for work in:

  • Litigation and Controversy - Tax

Additional Areas of Practice:

  • Commercial Litigation
  • Corporate Law
  • Tax Law


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