The Tory Burch Foundation held its second annual Founders Breakfast Thursday morning, honoring Anna Wintour , global editorial director of Vogue and chief content officer of Condé Nast, and three women entrepreneurs who won the Founder award. The packed event, held at the Pierre Hotel in New York, was attended by 380 people, including Martha Stewart, Amanda Seyfried, Huma Abedin, Aerin Lauder, Natalie Massenet, Jessica Seinfeld, Deborah Roberts, Phoebe Gates, Amy Griffin, Derek Blasberg, Sara Moonves, Chloe Malle, Perri Peltz, Steven Kolb, and Alina Cho. “Our mission, simply put, is to increase women’s economic power through entrepreneurship,” said Tiffany Dufu , president of the Tory Burch Foundation, which was founded in 2009.…