Creative director, Alexander McQueen
After interning at the provocative fashion house as a student, Burton came aboard McQueen after graduation and never looked back. She's created dresses for Michelle Obama and Lady Gaga, as well as the much-talked-about wedding dress Kate Middleton wore for her royal wedding. McQueen's suicide two years ago saw label owner PPR elevate Burton to creative director -- a savvy call, it turns out. Last year Burton won the coveted British Fashion Awards' Designer of the Year.
Who are 2012's young business stars? We've got the CEO of a blue-chip beer brand, an airline CEO who just placed the largest order in commercial aviation history, and Warren Buffett's new prodigy, among the Silicon Valley hotshots and others.