CEO
TJX Cos.
2011 rank: 15
Age: 58
The discount retailer behind brands like T.J. Maxx drove fiscal 2012 sales and profits up 6% and 12%, respectively. Meyrowitz believes the $23-billion-in-revenue company can at least double in size, and apparently so do shareholders: The stock returned 75% over the past year, outperforming the S&P's 25%.