Mark Zuckerberg
  • Name Mark Zuckerberg, Facebook
  • Bio The founder and CEO of the most popular social networking site in the world is determined to put the entire world online. He took Facebook public in 2012 and currently has a net worth of approximately $19 billion. The young billionaire generously donated 18 million Facebook shares, worth $1 billion at the time, to the Silicon Valley Community Foundation in December 2012 for education initiatives. It is his largest donation to date.