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Roy Pantoja, Jr.

Director, Practice Lead

Transaction Tax


Roy works closely with DMA’s clients to conduct sales & use tax recovery reviews and transaction analyses for DMA’s Fortune 1000 clients. He performs nexus reviews, develops tax matrices, and reviews sales & use tax audit assessments. Roy also negotiates with auditors regarding audit assessments and refunds, and informs clients of tax law changes affecting their industries. Additionally, he assists in providing training seminars to clients and conducts tax research on an ongoing basis. Roy’s core focus at DMA is studying transaction tax law to ensure exceptional services are provided to DMA’s clients.



18 years in sales & use tax; 18 years with DMA


Worked with large, multi-billion dollar companies to perform:

  • Sales & use tax recovery projects
  • Managed audits
  • Audit management services
  • Liability reductions
  • Tax matrices
  • Training
  • Generated over $52M in sales & use tax savings for clients

Louisiana| Oklahoma | Texas



Energy & Utilities | Manufacturing | Oil & Gas | Retail



OCR Technology | Robotic Process Automation (RPA) | SAP AP Validation Utility | SAP | TaxARC™



  • Bachelor of Business Administration, Accounting – University of Houston
  • Continually attends seminars that examine the latest changes in state and local taxation
  • Member of the Institute for Professionals in Taxation (IPT)
  • Obtained the professional designation of Certified Member of the Institute (CMI) issued by IPT