21. Abigail Johnson
Vice chairman and director, FMR LLC; president, Fidelity Personal, Workplace, and Institutional Services
Fidelity
2009 rank: 28Fidelity
Age: 48
When Fidelity split the presidency into two jobs in May, it asked Johnson to fill one of the newly created positions. In her expanded role, she leads all client-focused businesses. Her ascent may be another step toward someday taking the reins from CEO Ned Johnson, her 80-year-old father.
NEXT: Susan Ivey
Last updated September 30 2010: 2:47 PM ET
