Mark J. Mazur currently serves as the Assistant Secretary for Tax Policy. In this role, he is responsible for developing, analyzing, and coordinating Treasury’s and the Administration’s agenda, policies, and guidance on tax issues. Since 2009, Mazur has served as Deputy Assistant Secretary for Tax Analysis, where he advised the Secretary on the economic analysis work undertaken by Treasury’s Office of Tax Policy, including studies and reports. Prior to joining the Office of Tax Policy, Mazur spent eight years working for the Internal Revenue Service, where he was the Director of Research, Analysis, and Statistics. Mazur has spent 23 years working for the federal government, including positions at the Congressional Joint Committee on Taxation, the President’s Council of Economic Advisors and the National Economic Council under President Clinton, and the Department of Energy.

Mazur received a B.A. in financial administration from Michigan State University and a Master’s degree in Economics and Ph.D. from Stanford University’s Graduate School of Business.