David Christian is Director of the Big History Institute and Distinguished Professor of History at Macquarie University in Sydney. He taught at Macquarie University in Sydney from 1975 to 2000 before taking a position at San Diego State University in 2001. From 2009 to 2013 Christian was a ‘World Class Universities Distinguished Professor’ at Ewha Womans University in Seoul, and over the same period, he held a position as a James Marsh Professor-at-Large at the University of Vermont. He was founding President of the International Big History Association, and is co-founder with Bill Gates, of the Big History Project, which has built a free on-line high school syllabus in big history. Christian is the Director of Macquarie University’s Big History Institute, and designer and lead teacher on Macquarie University’s MOOC in Big History. In 2017, he will publish an account of big history as a modern origin story for a general readership. He is on the editorial boards of the Journal of Global History and the Cambridge History of the World. In 2011, Christian gave a talk on “13.7 billion years of history in 18 minutes” at the TED conference in Long Beach. He received his D. Phil from Oxford in 1974.