Jan Koum, the CEO and co-founder of WhatsApp, once lived on food stamps before Facebook made him a billionaire.
Starbucks’ Howard Schultz grew up in a public housing complex for the poor, and was the first person in his family to attend college.
Born into poverty, Oprah Winfrey became the first African American TV correspondent in Nashville.
Luxury goods mogul Francois Pinault (think Gucci, Yves Saint Laurent) quit high school in 1974 after being bullied for being poor.
Oracle’s Larry Ellison dropped out of college after his adoptive mother died and held odd jobs for eight years.