We spoke to 40 Silver Lake insiders about how Egon Durban amassed power at the media-shy private equity firm

Egon Durban, the co-CEO of private equity firm Silver Lake Partners, is a newly-minted billionaire drawing comparisons to Warren Buffett, with membership in some of golf's most exclusive clubs and an inside track to the Oscars.

A Texas native who made his name acquiring and then selling Skype, he has rapidly become the lead...