Mark Cox

Mark Cox

Adjunct Professor


Mark Cox is a Managing Director and co-leader of the State & Local Tax (SALT) practice at Global Tax Management, Inc. He specializes in supporting the day-to-day indirect tax operations for large corporate clients, specifically in the areas of automation, audit representation, and compliance. Mark’s primary responsibilities relate to technical research, streamlining/automating manual processes, and abatement of audit liabilities.

Prior to joining GTM in 2011, he was Regional Director of a sales tax consulting firm, and an Assistant Director with Ernst & Young, serving the Mid-Atlantic Area SALT practice. Mark later founded Tax Management Associates, a sales tax consulting firm. Mark is also a member of the Association for Computers and Taxation (ACT) and the Institute for Professionals in Taxation (IPT).


B.S. Merrimack College


Graduate Tax Programs:

Villanova University, Master of Laws in Taxation

Villanova University, Master of Taxation