Years before co-founding Salesforce, CEO Marc Benioff started his career like a lot of people do – as an intern. 

Benioff's first step on the corporate ladder was far from typical. His Apple internship placed him in close proximity to tech icon and company co-founder Steve Jobs. And the future CEO's "first boss" was Guy Kawasaki, an early software evangelist in Apple's Macintosh division. It was Kawasaki who got Benioff in the door at Apple – after a little persistence from the 19-year-old.