Carlos Monje Jr. serves as Under Secretary of Transportation for Policy in the Office of the Secretary. Monje managed the agency review process for domestic agencies for the Biden-Harris Transition. Monje previously served as Acting Under Secretary and Assistant Secretary for Transportation Policy for the U.S. Department of Transportation where he oversaw implementation of surface transportation programs, the discretionary grant programs, and efforts to promote equity and economic development. Monje is the first in his family born in the United States. His family is from Argentina.