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Christine Henry

Director, Practice Lead

Transaction Tax


As a Director, Christine focuses on providing effective transaction tax solutions to DMA’s Fortune 1000 clients. She plans, organizes, and performs overpayment reviews for major corporations and utilizes several review processes, including procuring and analyzing client data for use with DMA’s transaction tax automated review process. She evaluates sampling procedures, checks for inconsistencies, reviews audit assessments, and files necessary appeals. Christine also negotiates with auditors regarding audit assessments and refunds, provides research and planning services, works with clients and state taxing authorities on managed audits, and informs clients of tax law changes that affect their industries.



30 years in sales/use tax; 4 years with DMA

  • Extensive expertise in managed audits, overpayment reviews, and sales/use tax recovery projects
  • Former Sales & Use Tax Manager with INEOS, the 4th largest petrochemical company in the world, where she managed the indirect tax function, securing multi-million dollar tax savings and interacting with state and federal tax authorities
  • Former Tax Auditor with the Texas Comptroller of Public Accounts, for which she independently performed compliance audits and refund verifications for various industries, including manufacturing, construction, and retail
  • Leadership experience in audit defense, compliance, tax planning, research, training, and tax process optimization strategies
  • Prior tax consulting experience with a Big Four firm

Louisiana | Mississippi | Oklahoma | Texas



Energy & Utilities | Manufacturing | Oil & Gas | Petrochemical | Retail | Service | Wholesale



SAP | Vertex® | IDEA | OCR Technology | Robotic Process Automation (RPA) | SAP AP Validation Utility



  • Bachelor of Business Administration, Accounting – Loyola University New Orleans
  • Certified Member of the Institute (CMI) issued by the Institute for Professionals in Taxation (IPT)
  • Served on the 2023 IPT Sales Tax Symposium Planning Committee
  • Continually attends seminars that examine the latest changes in state and local taxation