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Back to the Power 50
Diane Gulyas
48. Diane Gulyas
Group VP, Performance Materials, DuPont (DD)
2005 rank: New
Age: 50
Gulyas ran DuPont's $3 billion display technology business before being tapped as chief marketing officer in 2004. Now the chemical engineer is leading the $6.8 billion unit that produces resins, polymers, and films—materials that go into everything from cars to golf balls to food packaging. One hot product line: SentryGlas protective glass for construction in hurricane-prone states.
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