Home Home Leadership Resources Remarks and Releases Assembly of Local Leaders State-to-States Initiative Contact Us HomeBureaus & Offices > Under Secretary for Economic Growth, Energy, and the Environment ...Subnational Diplomacy Unit hide Subnational Diplomacy Unit Our Mission The Special Representative for City and State Diplomacy and her team lead and coordinate the State Department’s engagement with mayors, governors and other local officials in the United States and around the world. The Special Representative aims to bring the benefits of U.S. foreign policy, such as jobs, investments, innovative solutions, and international experiences, to the local and state level. It supports U.S. national security priorities by integrating local ideas into foreign policy and fostering connections among cities, municipalities, and communities in the United States and abroad. Special Representative for City and State Diplomacy Ambassador Nina Hachigian Follow Us: Twitter