
Age: 49
A scientist who joined J&J in 1982 and holds four patents, the charismatic McCoy took on her current role in January. The surgical group generates more than $12 billion in revenues and is well positioned for growth, given aging baby-boomers and their appetite for joint replacement.
NEXT: Gail Boudreaux
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Last updated October 16 2008: 10:16 AM ET
