Bridget Van Kralingen

Bridget Van Kralingen is part of CEO Ginni Rometty s brain trust. Shortly after Rometty took over, the man who almost got the CEO job instead, Michael Daniels, retired. He had been running IBM s huge services division. Rometty replaced him with two executives: Van Kralingen and Erich Clementi. Rometty just gave Clementi a new job. He s off to build IBM s new cloud division, leaving Van Kralingen to run this $40.2 billion division that employs more than 100,000 people.