Executive ChairmanCountry: Spain
2006 rank: 9
Observers are wondering how Botín, 47, will fare when it comes time to replace her father, who heads Banesto's parent, Banco Santander. For now she's successfully running Santander's retail-banking arm, upgrading in-house technologies and introducing a Real Madrid credit card, which gives cash to cardholders for every point the team scores. Last year revenues increased 38%, to $4.2 billion.