Michael Rubens Bloomberg (born February 14, 1942) is an American businessman, politician, philanthropist, and author. He is the majority owner, co-founder and CEO of Bloomberg L.P. He was Mayor of New York City from 2002 to 2013, and was a candidate for the 2020 Democratic nomination for President of the United States. He has served as chair of the Defense Innovation Board, an independent advisory board that provides recommendations on artificial intelligence, software, data and digital modernization to the United States Department of Defense, since June 2022.
Bloomberg grew up in Medford, Massachusetts, and graduated from Johns Hopkins University and Harvard Business School. He began his career at the securities brokerage Salomon Brothers before forming his own company in 1981. That company, Bloomberg L.P., is a financial information, software and media firm that is known for its Bloomberg Terminal. Bloomberg spent the next twenty years as its chairman and CEO. As of June 2022, Forbes ranked him as the sixteenth-richest person in the world, with an estimated net worth of US$82 billion and ranked 14th in Forbes 400 with net worth $55 billion. Since signing The Giving Pledge, Bloomberg has given away $8.2 billion to philanthropic causes.
Bloomberg was elected the 108th mayor of New York City, and the city's third Jewish mayor. First elected in 2001, he held office for three consecutive terms, winning re-election in 2005 and 2009. Pursuing socially liberal and fiscally moderate policies, Bloomberg developed a technocratic managerial style.As the mayor of New York, Bloomberg established public charter schools, rebuilt urban infrastructure, and supported gun control, public health initiatives, and environmental protections. He also led a rezoning of large areas of the city, which facilitated massive and widespread new commercial and residential construction after the September 11 attacks. Bloomberg is considered to have had far-reaching influence on the politics, business sector, and culture of New York City during his three terms as mayor. He has also faced significant criticism for his expansion of the city's stop and frisk program, support for which he reversed with an apology before his 2020 presidential run.After a brief stint as a full-time philanthropist, he re-assumed the position of CEO at Bloomberg L.P. by the end of 2014. In November 2019, Bloomberg officially launched his campaign for the Democratic nomination for president of the United States in the 2020 election. He ended his campaign in March 2020, after having won only 61 delegates. Bloomberg self-funded $935 million for his candidacy, which set the record for the most expensive U.S. presidential primary campaign.
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