Robert F. Smith is one of the world's 13 black billionaires. He is worth $5 billion, according to Forbes' most recent ranking of the world's wealthiest people. Smith made his fortune through the private equity firm Vista Equity Partners, which he founded in 2000. He is married to television personality Hope Dworaczyk Smith. Smith announced Sunday he will pay all student loans for Morehouse College's Class of 2019.