2. Robert Smith ($2.5 billion)
Robert Smith is the quiet, unassuming CEO of the private equity firm Vista Equity Partners, which he founded in 2000. The company carved a niche for itself by fixing up enterprise software outfits and having a value of about $28 billion in assets.
Smith, 54, is also a renowned philanthropist, where he focuses on educational and entrepreneurship development. In 2015, he donated $50 million to Cornell University’s School of Engineering and recently offered to sponsor the education of the released Chibok girls abducted in Nigeria by the terrorist group Boko Haram.