Sang H. Yi

Sang Hyun Yi is an American civil servant who had served the deputy administrator of the Maritime Administration (MARAD) at the U.S. Department of Transportation from June 2025 to June 2026. He has stated that it is his goal to support the Trump administration's domestic shipbuilding goals and restore the nation's maritime dominance.

Education Yi has a Bachelor's in Science in logistics and intermodal transportation from the U.S. Merchant Marine Academy (2003), a Master's of Arts in national security and strategic studies from the U.S. Naval War College (2008), and a Doctor of Law (JD) from the George Washington University Law School (2012). At the Merchant Marine Academy, he earned his Third Mate Unlimited license from the U.S. Coast Guard and was commissioned into the U.S. Naval Reserve.

Career Yi began his career as an intern at the House Oversight and Government Reform Committee in 2010.

He served as an officer in the United States Navy Reserve for more than 22 years beginning in 2003 and is a lieutenant commander.

Personal life Yi was born in South Korea, and immigrated to the United States as a young child is married to Sarah Yi and has two children.