02/15/2009 05:12 am ET | Updated May 25, 2011

Cook's Run Apple For Years, Says Former Apple Exec.

Jan. 15 (Bloomberg) -- Apple Inc. founder and Chief Executive Officer Steve Jobs is prone to fits of passion, table pounding and screaming.

Tim Cook, who will oversee the company while Jobs takes medical leave, never raises his voice. Still, Cook's management style won't be a shift for employees. He's been quietly running the company for several years, said Mike Janes, who worked with the executive for five years at Apple.

"Steve is the public face of Apple and nothing beats when he goes out and says, 'Ta-da,'" said Janes, who ran Apple's online store. "But at the end of the day, someone has to take all those amazing product designs and turn them into that big pile of cash you see in the company's bank account. That's Tim."