Hints and tips:
...“I worked directly for Dennis Levine, who went to jail,” Mr Rowan once said, summarising his early career. “I then went to work for Marty Siegel, who also went to jail....
...Two Sigma is one of the hedge fund industry’s fastest-growing companies, and is led by computer scientist David Siegel and mathematician John Overdeck....
...“Instead of a stable matrix, there are probably multiple states of the world,” says Jeremy Siegel, finance professor at the University of Pennsylvania’s Wharton School....
International Edition