The folks on Fortune's 40 under 40 list may be rising stars, but they're not perfect. Here are the decisions they most regret in their careers.
40 under 40 rank: 16
My biggest mistake was when I was a record executive I didn't sign Alicia Keys as an artist. ([In my defense], she didn't perform for me with a piano; I didn't know she was a complete musician.) --Mina Kimes
NEXT: Wendy Clark, Coca-Cola SVP