Sang H. Yi is the Acting Administrator of the Maritime Administration (MARAD) at the U.S. Department of Transportation. As Acting Administrator, Mr. Yi oversees MARAD's responsibilities that provide critical infrastructure and support for the nation’s commercial and military maritime sectors.  

Before joining MARAD, Mr. Yi served in the U.S. House of Representatives for almost 15 years. He most recently served as the Director of Investigations for the House Committee on Homeland Security, where he led congressional oversight and investigations related to various national security matters, including transportation and maritime security. He previously served as the Chief Investigative Counsel and Subcommittee Staff Director for the House Committee on Natural Resources. Mr. Yi began his congressional career at the House Committee on Oversight and Government Reform, where he ultimately served as Senior Policy Advisor. Prior to his congressional career, he served in the Intelligence Community.

In addition to Mr. Yi’s federal service, he served his local community as a Councilman in Fairfax, Virginia. First elected in 2018, he served on the City Council for two terms. For more than two decades, Mr. Yi served as an officer in the Navy Reserve and held a U.S. Coast Guard issued Merchant Marine license.

Mr. Yi holds a B.S. in Logistics and Intermodal Transportation from the U.S. Merchant Marine Academy, a M.A. in National Security and Strategic Studies from the U.S. Naval War College, and a J.D. from the George Washington University Law School.