Talk about drama! Our 11th annual list is dominated by firsts (first woman to run a major U.S. oil company), superlatives (youngest honoree ever) and notable departures (Citi's Sallie Krawcheck steps down as the most watched woman on Wall Street).
1. Indra Nooyi
Chairman and CEO
2007 rank: 1
Nooyi has moved swiftly to offset slowing beverage sales in North America by expanding the international business, which now represents 26% of revenues. She is also pushing healthier products like orange juice with omega-3 fatty acids. In a tough market, the stock is flat vs. a year ago.