Michael Rubens Bloomberg (born February 14, 1942) is an American business magnate, politician and philanthropist. He was the 108th Mayor of New York City for three terms from 2002 to 2013. He has a net worth of $53 billion. He is the ninth-richest person in the United States. He is the thirteenth-richest person in the world. He is the founder and 88% owner of Bloomberg L.P.. In November 2019, Bloomberg announced his presidential campaign for the Democratic nomination for President of the United States in 2020. He ended his campaign in March 2020 after losing many states on Super Tuesday.