Itai Grinberg

Georgetown University


Itai Grinberg is the Carmack Waterhouse Professor of International Economic Law at Georgetown University. From January 2021 until early 2023, he was Deputy Assistant Secretary (Multilateral Negotiations) in the Office of Tax Policy in the United States Department of the Treasury. In that rule he served as the lead US negotiator for the global corporate minimum tax endorsed by the Leaders of the G20 at their Rome Summit meeting in 2021. He worked closely with Secretary Yellen on all international tax matters, routinely travelled with Secretary Yellen to discuss and negotiate regarding tax issues with G7 and G20 counterparts, and was the lead figure for the United States on international tax issues across all multilateral institutions. He also played an important role in the United States’ discussions with foreign sovereigns regarding the tax-based climate transition policies enacted in the Inflation Reduction Act, including as the lead US delegate to the Organisation for Economic Co-operation and Development (OECD) Inclusive Forum on Carbon Mitigation Approaches.

Professor Grinberg’s academic research focuses on international tax policy, as well as the intersection of international tax law, international trade law, international investment law, and the relationship between taxation and climate policies. He is also a Member of the Council on Foreign Relations and a Senior Advisor to Crux Climate.