About
Bill de Blasio is an American former politician who served as the 110th mayor of New York City from 2014 to 2021. He is a member of the Democratic Party. Before becoming mayor, he held the office of New York City Public Advocate from 2010 to 2013. De Blasio campaigned on a platform of reducing income inequality and expanding social programs.
Career Timeline
Elected to City Council
De Blasio began his career in New York City politics as a City Council member.
NYC Public Advocate
He was elected as the New York City Public Advocate.
Elected Mayor of NYC
De Blasio was elected Mayor of New York City, campaigning on a progressive platform.
Re-elected as Mayor
De Blasio won re-election as Mayor of New York City.
Leaves Mayoral Office
De Blasio's second term as mayor ended.
Teaches at Harvard
De Blasio began teaching at Harvard Kennedy School.
Continues Public Discourse
De Blasio remains active in public discourse, commenting on political issues and teaching.
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Last updated: February 25, 2026