Mark Marsella

Washington National Tax | Federal Tax Accounting

Principal | Deloitte Tax LLP

Mark Marsella

30 Rockefeller Plaza

41st Floor

New York


United States


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Mark leads strategic tax reviews. These scalable services help clients take a fresh look at their tax rate drivers and areas of potential tax risk to identify opportunities to better manage them. His marketplace experiences, which include companies from all industries, supplement his role as one of the Washington National Tax (WNT) innovation leaders.  In this role, he also facilitates teaming across WNT practices and disseminates content that helps connect Deloitte Tax practitioners and their clients to WNT.  

In addition to serving clients, Mark regularly instructs at national trainings and events hosted by Deloitte Tax, Tax Executives Institute (TEI), Global Business Alliance (GBA)/Organization for International Investment (OFII), and others. 

Mark earned his JD from Quinnipac University School of Law.

Mark Marsella