Mark Zuckerberg Is the Third-Richest Person Alive The Facebook CEO now has a net worth of $81.6 billion. Jeff Bezos and Bill Gates are respectively the richest and second-riches people alive. Despite a rocky year, Facebook's stock has spiked about 15. Zuckerberg has pledged to give away 99 of his Facebook shares. In 2013, Zuckerberg confirmed that he takes home a salary of just $1 per year.