CMTS Chair 

Sean P. Duffy, U.S. Transportation Secretary

Sean P Duffy serves as the 20th United States Secretary of Transportation.  From Hayward, Wisconsin, Duffy earned a bachelor's degree in marketing from St. Mary's College of Maryland and a Juris Doctor from William Mitchell College of Law in 1999. Before entering politics, he gained national recognition as a professional lumberjack athlete, competing in world championships, and appeared on MTV's "The Real World: Boston" and "Road Rules: All Stars,” where he met the love of his life, Rachel Campos.

Duffy's legal career began as a special prosecutor in Ashland County, Wisconsin, where he was later appointed district attorney in 2002, serving until 2010. Elected to the U.S. House of Representatives in 2010, he represented Wisconsin's Northwoods in the 7th congressional district until 2019, focusing on financial services and economic policy as a member of the House Financial Services Committee. His passion was bringing prosperity to rural America. As the lead sponsor of the Puerto Rico Oversight, Management, and Economic Stability Act (PROMESA), Sean Duffy addressed the national ramifications of Puerto Rico's unprecedented debt crisis and ensured that public services for residents could continue.  After resigning from Congress to prioritize his family amid health challenges with his ninth child, he co-hosted "The Bottom Line" on Fox Business Network starting in 2023.

As Secretary, Duffy has prioritized infrastructure investments, efficiency, safety, and the speedy delivery of projects. Since July 9, 2025, he has additionally served as acting administrator of NASA. A devoted Catholic and family man, Duffy is married to Rachel Campos-Duffy, a fellow television personality, and they have nine children.
 

Coordinating Board Chair

Sang H. Yi, Acting Administrator of the Maritime Administration (MARAD) at the U.S. Department of Transportation

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.