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 served as the mayor of New York City for three terms 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 April 2023, Forbes ranked him as the seventh-richest person in the world, with an estimated net worth of US$94.5 billion. Since signing The Giving Pledge, Bloomberg has given away $8.2 billion to philanthropic causes. (Source: Wikipedia.org, CC BY-SA)