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Robert Mandeville

Director, Practice Lead

Transaction Tax


Robert leads DMA’s Fuel & Excise tax practice in the United States and Canada. He is responsible for delivering compliance, advisory, and recovery services related to United States and Canadian federal and state/provincial fuels and excise taxes. Robert focuses on the following core areas: motor fuel excise tax, Superfund excise tax, US federal heavy vehicle use tax, carbon tax and legislation, jurisdictional environmental taxes, licensing and registrations, tax accounting, and tax research. He partners closely with internal DMA team members across North America to ensure our clients maximize tax compliance and identify savings/recovery opportunities, and on related tax technology support. Additionally, Robert is a resource on fuel and excise tax regulatory queries and legislative changes and provides guidance to ensure our clients’ continued compliance with applicable legislation in the United States and Canada.



18 years in fuel & excise tax;2 years with DMA


  • Extensive experience in US and Canadian motor fuel excise tax consulting and compliance services
  • Experience with leading teams of professionals
  • Performs audit defense, regulatory reviews, and extensive research services for clients
  • Formerly worked as a Senior Manager with a boutique motor fuels excise tax accounting firm and alliance partner with DMA, and as a Senior Indirect Tax Manager with Irving Oil Limited, where he was responsible for Indirect Tax compliance and audit management with state, provincial, and federal regulatory authorities, and responsible for customs and NAFTA compliance for US and Canadian business activities

Agriculture | Automotive | Distribution | Energy & Utilities | Manufacturing | Mining | Oil & Gas | Petrochemical | Retail | Technology | Transportation | Waste Management



  • Bachelor of Arts, Economics – Memorial University in St. John’s, N.L.
  • Masters of Science, Professional Accounting – University of Hartford (CT)
  • Masters of Business Administration – University of New Brunswick
  • Certified Internal Auditor
  • Member of the Institute of Internal Auditors