Fortune's 50 Most Powerful Women in business

Nearly everyone on the list is striving to reinvent her business. Meet a group of executives who don't sit still.

37.  Heather Bresch

highest paid women heather bresch
37
  • Title: CEO
  • Company: Mylan
  • Age: 44
  • Last year's rank: 47

Mylan's stock price has jumped more than 70% since Bresch stepped in as CEO at the generic-drug maker in 2012. She continues to break new ground at the company, with $6.8 billion in revenue; a $1.6 billion acquisition of India pharma business Agila Specialties is pending, and Mylan entered the diagnostics market for the first time by winning rights to distribute a test used in the treatment of HIV/AIDS.

Additional reporting by Miguel Helft, Jessi Hempel, Adam Lashinsky, Jennifer Reingold, Shawn Tully, Patricia Sellers and Alex Taylor III
  @FortuneMagazine - Last updated November 21 2013 02:44 PM ET
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How we pick the Most Powerful Women
The Most Powerful Women in Business list is compiled by FORTUNE editors, who consider four criteria: the size and importance of the woman's business in the global economy, the health and direction of the business, the arc of the woman's career (resume and runway ahead), and social and cultural influence.
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