Arianna Huffington is the chair, president, and editor-in-chief of the Huffington Post Media Group, a nationally syndicated columnist, and the author of 13 books. In May 2005 she launched The Huffington Post, a news and blog site that quickly became one of the most widely read, linked to, and frequently cited media brands on the Internet. In 2012 the site won a Pulitzer Prize for national reporting. In 2006, and again in 2011, she was named to the Time 100, Time magazine's list of the world’s 100 most influential people. Originally from Greece, she moved to England when she was 16 and graduated from Cambridge University with an MA in economics. At 21, she became president of the famed debating society the Cambridge Union.