LinkedIn founder Reid Hoffman has been immersed in Silicon Valley since his August 1967 birth in Palo Alto, California, in the shadow of Stanford University, where he and fellow technology luminary Peter Thiel became friends as college students during the 1980s.

LinkedIn founder Reid Hoffman has been immersed in Silicon ... Mafia” — included Tesla CEO Elon Musk, Yelp CEO Jeremy Stoppelman, and YouTube co-founders Chad Hurley and Steve Chen.