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The Power 50

Business has its ups and downs, and so, naturally, do women in business. (Bye-bye, Martha!) But the story of this list is one of achievement: The credentials of these women, including the 13 newcomers, are the strongest yet.

Judy McGrath
18. Judy McGrath
Chairman and CEO, MTV Networks
Viacom (VIA)
2006 rank:  12
Age: 55

MTV Networks delivers more than half of parent Viacom's sales. Revenues in McGrath's division rose 7% last year, to $7.2 billion, and operating income 11%. But youth culture is fickle, and MTV's buzz has lessened since her mentor, Tom Freston, was fired in 2006. McGrath has her reputation for cutting-edge creativity riding on two projects: a social networking platform, Flux, and an investment in VBS.tv, the online video offshoot of hipster magazine Vice.

Indra Nooyi

Anne Mulcahy

Meg Whitman

Angela Braly

Irene Rosenfeld

Pat Woertz

Susan Arnold

Oprah Winfrey

Andrea Jung

Brenda Barnes

Ursula Burns

Sallie Krawcheck

Ann Livermore

Christine Poon

Anne Sweeney

Zoe Cruz

Ginni Rometty

Judy McGrath

Ann Moore

Sue Decker

Susan Desmond-Hellmann

Diane Greene

Amy Brinkley

Susan Ivey

Ellen Kullman

Charlene Begley

Heidi Miller

Cece Sutton

Sheryl Sandberg

Abigail Johnson

Carol Meyrowitz

Carrie Cox

Linda Dillman

Shelly Lazarus

Mary Sammons

Lisa Weber

Claire Babrowski

Joanne Maguire

Colleen Goggins

Kathleen Murphy

Dawn Hudson

Liz Smith

Cathleen Black

Pam Nicholson

Melanie Healey

Amy Pascal

Deirdre Connelly

Jan Fields

Julia Stewart

Cathie Lesjak
25 Highest-paid women Which corporate women raked it in last year - and how much did they earn? (more)
50 Global leaders See which women executives are on top of the world. (more)
6 CEOs-to-be These executives, all on this year's Powerful Women list, are clearly capable of leading a major company someday. (more)
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