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Mark Rems
Executive summary
Mark Rems is a partner and principal in Grant Thornton’s Tax Services practice, providing tax automation and state and local tax services to companies across the U.S. He has extensive experience in application architecture, development and integration across several industry sectors. His primary focus is the implementation of indirect tax calculation systems, including Vertex O-Series, Vertex Q-Series, ADP TWE, and OneSource Determination (fka Sabrix). Rems has integrated a variety of ERP and billing systems with these tax solutions. In addition, he has developed standalone tax sub-systems to handle all transactional communication with these systems.Rems has worked on tax system implementations for over 10 years and has led the successful implementation of over 25 projects. This includes the requirements analysis, design, customization, configuration, testing and support of these tax solutions. His background provides a unique combination of technology skills, including application development and infrastructure planning, as well as a deep tax technical understanding of the complexities around sales, use and VAT taxes.
Professional qualifications and memberships
Council On State TaxationEducation
MBA, University of FloridaBS, Systems Engineering, University of Virginia