Tax professionals yes, but at the core EY teams are problem solvers.

Scott T Mackay

EY Americas Quantitative Services Leader and US National Tax Accounting Periods, Methods & Credits Leader

Leading teams in the application of complex tax technical rules in the area of accounting periods, methods and credits, driving value and solving problems. Lucky husband. Proud father of two.

Scott is the EY Americas Leader for Quantitative Services and the National Tax Accounting Periods, Methods & Credits Leader. With more than 20 years of experience, he is passionate about developing people and driving value through complex problem solving.

Prior to joining EY, Scott served in the US Treasury Department’s Office of Tax Policy, as a Taxation Specialist. In addition to leading the finalization of the tangible property regulations and several industry-specific capitalization safe harbors, he was also responsible for developing and reviewing regulations and other published guidance in a myriad of federal tax areas. Scott was the lead tax policy advisor on legislative and regulatory matters for accounting methods (including income recognition, expense recognition, depreciation and expensing), accounting periods, the alternative minimum tax and loss provisions, among others.


How Scott is building a better working world

“Having witnessed the ability to drive value through the tax function, I am passionate about developing young leaders and bringing the most of EY teams to EY clients. I lead a diverse team of talented professionals that solve client problems and generate value through the application of tax technical knowledge.”

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