About Michael Bloomberg
Michael Rubens Bloomberg is an American businessman and politician. He is the majority owner and co-founder of Bloomberg L.P., and was its CEO from 1981 to 2001, and again from 2014 to 2023. He served as the 109th mayor of New York City from 2002 to 2013. He was a lifelong Democrat until 2001, when he switched to the Republican Party to run for mayor, and later became an Independent in 2007. Bloomberg is the most recent mayor of New York City to serve as a Republican or Independent. In 2018, he rejoined the Democratic Party, after which he ran an unsuccessful campaign for the 2020 Democratic nomination for president of the United States. Bloomberg is a centibillionaire, worth $109.4 billion as of December 2025, making him the 17th richest person in the world. Bloomberg self-funded $935 million for his candidacy, which set the record for the most expensive presidential primary campaign and highest spending in any political capacity by a single individual in U.S. history. That company, Bloomberg L.P., is a financial information, software, and media firm that is known for its Bloomberg Terminal. He ended his campaign in March 2020, after having won only 61 delegates. Bloomberg became an Eagle Scout when he was twelve years old.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.