Until the summer of 2011, he served in the Office of International Tax Counsel at the U.S. Department of the Treasury. In that capacity, he was substantially involved in the Obama administration’s legislative and regulatory efforts to address offshore tax evasion, and he also represented the United States at the OECD and at the Global Forum on Transparency and Exchange of Information for Tax Purposes. In the opening of the article (pp. 311-313), the author states: