EMS Fuel Tax Advisory Services

Emilda Santiesteban is a recognized expert in federal and state fuel excise taxation, bringing over 26 years of experience in the downstream oil and gas industry. Her career includes pivotal leadership roles, such as Internal Revenue Agent for the Federal Excise Small Business Unit, Director of Motor Fuel Excise Taxes at Weaver & Tidwell, LLC, and Fuel Tax Manager at HF Sinclair, a Fortune 500 petroleum refinery, where she managed indirect tax operations for over 16 years.

As President of EMS Advisory Services, LLC, Emilda focuses on minimizing overpayments, outsourcing tax return compliance, defending audits, and providing strategic tax consulting and advisory services. Her efforts consistently yield measurable value by identifying planning opportunities that reduce fuel taxes and excise tax liabilities.

Emilda's technical expertise encompasses fuel excise and sales and use tax compliance for fuel suppliers, refineries, fuel terminals, and pipelines. She is highly proficient in federal and state fuel excise tax return filings, registration and licensing, ExSTARS compliance, and assessing taxability for new business activities and fuel movements.

An active member of the Federation of Tax Administrators (FTA) and the American Petroleum Institute (API), Emilda is recognized for her collaborative approach and deep regulatory insight. She earned her MBA with honors from Lamar University and holds a Bachelor of Science in Accounting from Keller University.

For more information regarding federal and state fuel excise taxes, please fill out the contact form below.