The Mysterious Billionaire Boss at Jane Street Smashing Trading Records
The firm’s secrecy-loving co-founder is raking in money faster than he can spend it on Burning Man, his own casino and, unwittingly, an African coup.

Photo Illustration by Jimmy Turrell; Photos: Facebook
Rob Granieri took to the dance floor with long hair flowing from his fedora, shiny jacket glinting and a boutonnière bursting with color.
The wealthy recluse showed off his moves after platters of paddlefish caviar and bacon-wrapped shrimp swirled through the room to celebrate his Scarlet Pearl, the casino hulking over Mississippi’s brackish Biloxi Bay. The disco-bright veneer gave the revelers no hint of the 53-year-old billionaire’s hidden reality.