[HIGHLIGHTS] Who is Michael Rubin, this mysterious billionaire whose parties have already brought together Leonardo DiCaprio, Beyoncé and Kylian Mbappé?

Michael Rubin is the CEO of Fanatics, an online sports merchandising store. The 51-year-old billionaire has organized sumptuous parties for the rich and famous.

His parties have already brought together Beyoncé, Ben Affleck, Leonardo DiCaprio and even Kylian Mbappé. Rubin sold Fanatics in 2011 for the modest sum of 2.4 billion dollars (2.2 billion euros) to the giant eBay. He counts more than 300 partnerships with leagues, notably with the American Football League.