Jonathan Sambur is a partner in Mayer Brown's Washington DC Tax Transactions practice. Jon’s practice is focused on U.S. federal tax issues affecting U.S. businesses operating outside the United States as well as U.S. federal tax issues affecting foreign businesses and individuals operating in the United States, including planning, structuring/restructuring, deferral/subpart F, foreign tax credit, tax treaties, legislative and regulatory work, and related controversy matters.
Jon works very closely with our Financial Services, Regulatory & Enforcement practice by providing U.S. federal income tax advice to non-U.S. financial institutions and non-U.S. investment funds, including advice related to the information reporting and withholding tax rules contained in recently-enacted Chapter 4 of the Internal Revenue Code (FATCA) and U.S. withholding tax/qualified intermediary (QI) issues. Jon frequently speaks to industry groups and writes articles on U.S. tax issues affecting non-U.S. financial institutions.
Prior to joining Mayer Brown LLP, Jon was an attorney at the IRS Office of Associate Chief Counsel (International).