Mary C. Bennett

Baker & McKenzie LLP 

Mary Bennett is a partner in Baker & McKenzie’s Tax Practice Group. She has more than 30 years of international tax experience, including senior positions with both the US Treasury and the Organization for Economic Cooperation and Development (OECD). Ms. Bennett has been recognized as one of America’s leading tax lawyers by Chambers USA.

Ms. Bennett advises US and foreign based multinational clients on international tax planning, controversy, and policy matters. She has particularly deep experience in tax treaty, transfer pricing, and international dispute resolution issues.

She previously served as the Head of the Tax Treaty & Transfer Pricing Division at the OECD, leading that organization’s work to achieve international consensus on policies to avoid double taxation and to apply the arm’s length principle.

She also served as the US Treasury’s Deputy International Tax Counsel, with responsibility for heading tax treaty negotiations with numerous countries and developing US legislative and regulatory policy on international tax questions.

In her more than 20 years of private practice, Ms. Bennett has advised companies on the structuring of international operations and represented clients in private letter ruling, competent authority, and tax controversy matters before the IRS and in tax policy matters before the Treasury Department, Congress, and the OECD. She has also participated in litigating foreign tax credit, captive insurance, and other issues in the courts.


  • Boston University (LL.M.) (1985)
  • Columbia University (J.D.) (1979)
  • Harvard University (A.B. cum laude) (1976)


  • U.S. Supreme Court~United States (1994).
  • U.S. Claims Court~United States (1991)
  • U.S. Court of Appeals, Eleventh Circuit~United States (1991)
  • District of Columbia~United States (1991)

Professional Associations and Memberships:

  • Georgetown Univ. Law Center – Adjunct Professor of Advanced International Tax (2001-2004)
  • United States Council for International Business – Tax Committee
  • International Fiscal Association – Council Member for the U.S.A. Branch
  • National Foreign Trade Council – Tax Committee
  • Senate Finance Committee’s International Tax Working Group – Advisor (2002-2003)


Rate : $$$

What types of cases Attorney Mary C. Bennett & Baker & McKenzie LLP  can handle?
Baker & McKenzie LLP  can handle cases related to laws concerning Financial Services, Tax, Insurance, International Law. We manually verify each attorney’s practice areas before approving their profiles and reviews on our website.
Where is Baker & McKenzie LLP  located?
Baker & McKenzie LLP  is located at 815 Connecticut Ave NW, Washington, DC 20006, USA. You can reach out to Baker & McKenzie LLP  using their phone line 202.452.7045. You can also check their website
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Baker & McKenzie LLP 
815 Connecticut Ave NW, Washington, DC 20006, USA
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