People

Gretchen Sierra

Partner | Washington National & International Tax

Gretchen Sierra

555 12th St. NW

Suite 400

Washington

DC

United States

20004

View map

Gretchen is the partner-in-charge of Deloitte's Washington National Tax-International Tax Services group. She advises US- and foreign-based multinationals on a broad range of international tax matters, including supply chain structuring, intellectual property migrations, US income tax treaties, inbound planning, financing transactions, cross-border mergers and acquisitions, and e-commerce transactions.

Gretchen Sierra