Leo Sierra, CPA

Leo Sierra, CPA

Managing Principal
Sierra & Taylor
10000 N. Central Expy
Suite 400
Dallas, TX 75231

Direct Work Phone: 469-277-8180

Professional Experience:

Leo is the managing principal with Sierra & Taylor. Prior to the formation of Sierra & Taylor, Mr. Sierra was a senior manager for two of the Big 4 accounting firms. Mr. Sierra was also a former member of one of the Big 4’s Sales and Transaction Tax National Steering Committee. He has over 12 years of “Big 4” public accounting experience in the area of state and local tax. Prior to his entry into public accounting, he was an Audit Supervisor with the Comptroller of Public Accounts in the Dallas region. As an Audit Supervisor and auditor, he was responsible for managing and conducting audits on the following taxes: sales/use, franchise, interstate motor carrier, diesel fuel, motor fuel, cigarette and hotel/motel taxes.

Practice Focus:

Leo specializes in the area of state and local tax with a concentration on sales/use tax and other transactional based taxes. During his 27 years working in the state and local tax area, Mr. Sierra has designed and implemented state and local tax minimization strategies for several Fortune 500 companies. He conducts due diligence reviews and incorporates proactive activities into his tax minimization strategies.


University of Texas at Austin, Bachelor of Business Administration, Accounting

Professional and Community Activities:

Professional Affiliations
• American Institute of CPAs
• Texas Society of CPAs
• Texas Society of CPAs, State Taxation Committee
• Texas Comptroller’s Taxpayers Advisory Group (former member)
• Texas Comptroller’s E-Commerce Technology Advisory Group (E-TAG)
• Texas Comptroller’s Internet Tax Policy
Working Group

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