4. Lawrence Ellison - Oracle Corporation
He left University of Illinois after his second year and is now ranked among one of the wealthiest people in the world. In 1966, aged 22, he moved to northern California to give shape to his hugely successful venture dealing in computer technologies, hardware systems and software products.
5. Michael Dell – Dell
The billionaire is a University of Texas, Austin, dropout. Starting his business from a residential building close to his college in 1980’s, he went on to become one of the world’s leading sellers of personal computers.
6. Henry Ford – Ford Motor Company
Billionaire founder of one of the world’s leading car manufacturing company, the late Henry Ford did not attend college during his formative years in late 1880’s.