Mary Thornton
Vice President, Global Policy
mthornton@semiconductors.org
Focus: Trade, Economic Security, International Affairs
Mary Thornton joined SIA in 2023 and is vice president for global policy, where she directs SIA’s policy agenda for international competitiveness, trade, export control, supply chain, global market research, and emerging markets and regularly engages with the U.S. and foreign governments. She also serves on the Executive Committee for Beijing-based United States Information Technology Office (USITO), representing SIA and its members.
Mary has a diverse background in technology, trade, supply-chain, and security issues spanning a wide range of geographies. She previously led policy work on trade and economic security issues for Amazon Web Services (AWS) and Texas Instruments, Inc. Mary served as a senior trade negotiator for the Office of the U.S. Trade Representative (USTR) from 2008-2018, where she worked to expand access and create export opportunities for U.S. companies in foreign markets through both various bilateral and multilateral fora, and successfully negotiated the expansion of the Information Technology Agreement at the WTO, which eliminated customs duties on hundreds of technology products across 80+ countries. Mary also served at the U.S. Departments of Commerce and Treasury.
Mary earned a master’s degree in public policy from the University of Michigan and a bachelor’s degree in political science and mathematics from Colgate University.
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