Hey!! As on 20th August 2016, Mark J. Mazur is the Assistant Secretary for Tax Policy of US Department of the Treasury


Other Key Personnel of Tax Policy Department are:

Emily S. McMahon,
Deputy Assistant Secretary (Tax Policy)

W. Adam Looney,
Deputy Assistant Secretary (Tax Analysis)

Robert Stack,
Deputy Assistant Secretary (International Tax Affairs)

J. Mark Iwry,
Senior Advisor to the Secretary and Deputy Assistant Secretary (Retirement and Health Policy)

Tim Skud,
Deputy Assistant Secretary (Tax, Trade and Tariff Policy)



Structure
Assistant Secretary (Tax Policy)
Deputy Assistant Secretary (Tax Analysis)
Director, Office of Tax Analysis

-Director, Business and International Taxation Division
-Director, Individual Taxation Division
-Director, Revenue Estimating Division
-Director, Receipts Forecasting Division
-Director, Economic Modeling and Computer Applications Division

Deputy Assistant Secretary (Tax Policy)
Tax Legislative Counsel

-Deputy Tax Legislative Counsel
-Deputy Tax Legislative Counsel (Tax Legislation)
-Deputy Tax Legislative Counsel for Regulatory Affairs
-Associate Tax Legislative Counsels, Attorney-Advisors, and Taxation Specialists

International Tax Counsel

-Deputy International Tax Counsel
-Deputy International Tax Counsel (Treaty Affairs)

Benefits Tax Counsel

-Deputy Benefits Tax Counsel
-Associate Benefits Tax Counsels and Attorney-Advisors

Deputy Assistant Secretary (International Tax Affairs)
Deputy Assistant Secretary (Tax, Trade and Tariff Policy)
Senior Advisors and Special Assistants to the Assistant Secretary
Government Actuary

Contact Details:
Assistant Secretary (Tax Policy)
Department of the Treasury
1500 Pennsylvania Ave., NW, Room 3120
Washington, DC 20220