Claire A. Williams holds a BA and an MA in anthropology from Stanford University and an MBA from Oxford University as a Skoll Foundation Scholar for Social Entrepreneurship. She works at Twitter. Claire co-founded Hope Runs, a non-profit organization working with AIDS orphans in East Africa. Claire is also a popular personal finance blogger with more than 10,000 daily readers. Claire is currently training to set a Guinness World Record by running seven marathons on seven continents in seven weeks in support of Hope Runs.