Mitchell Joseph Landrieu (/ˈlændruː/ LAN-drew; born August 16, 1960) is an American lawyer and politician who served as Mayor of New Orleans from 2010 to 2018. A member of the Democratic Party, he previously served as Lieutenant Governor of Louisiana from 2004 to 2010. On November 14, 2021, President Joe Biden announced that Landrieu would serve as Senior Advisor responsible for coordinating the implementation of the Infrastructure Investment and Jobs Act. He assumed office with the signing of the bill into law on November 15, 2021.