The 50 Most Powerful Moms in the World: See Who Tops the List

Category: Fashion/Tastemakers

Title: Founder, Spanx; Philanthropist

Children: Lazer (5)

The founder of Spanx (and former fax machine saleswoman!) took $5,000 and in 10 years turned it into a billion dollar company. "I block off chunks of my day that are dedicated to [being] Mom and chunks of my day that are dedicated to work," she told ABC News. "And that has really calmed my thinking down and made me feel less anxious."