American businessman who is the majority owner and co-founder of Bloomberg L.P.
Michael Bloomberg formerly served as mayor of New York City from 2002 to 2013.
Bloomberg ran a campaign for the Democratic nomination for the 2020 US presidential election. He self-funded $935 million for his candidacy, setting the record for the most expensive US presidential primary campaign.
Michael Bloomberg - Wikipedia
"Michael Bloomberg" - Encyclopedia Britannica
"‘Focus’ on Bloomberg’s Jewishness" - Jewish Telegraphic Agency (2010)