SAN JOSE, CA - APRIL Facebook CEO Mark Zuckerberg delivers the $9 billion to his net worth, building his wealth up to $ billion today. Four days after the CEO turned 28, Facebook much -hyped about IPO finally. Mark Elliot Zuckerberg (born May 14, ) is an American computer programmer and Internet entrepreneur. He is a co-founder of Facebook, and currently operates as its chairman and chief executive officer. His net worth is estimated to be US$ billion as of May , and he is . In addition, many students complained that their photos were being used Net worth : US$ billion (June ). Mark Zuckerberg net worth: How much money does the Facebook . on the long term today,” Mr Zuckerberg said in a blog post this month.