Born 1984, Mark Zuckerberg is chairman and chief executive of social networking site Facebook which he . co-founded at Harvard, where he majored in computer science and psychology. At Harvard, Zuckerberg wrote Facemash, a program written for “fun” in which students were allowed to vote on the attractiveness of other students based on their photos. This became a template for Facebook. Since 2010 Zuckerberg has been named among the 100 wealthiest and most influential people in the world by Time magazine and his life was dramatised in the movie, The Social Network. He married Priscilla Chan in May 2012, the same month in which Facebook launched a US$16 billion initial public offering.