Steve Jobs – Co-founder, Apple

Known for bringing the technology revolution with Apple products, Jobs left college after just one semester. He was fired from his own company Apple in 1985 but later returned as its CEO in 1997. He has also been the CEO of Pixar Animation Studios which he later sold to Disney. In 2007, he was chosen as Fortune Magazine’s most powerful businessman. He died of pancreatic cancer in October 2011 with a fortune of $ 7 billion.

Simon Cowell – A&R Executive

Cowell is well known as a judge on TV shows like Pop Idol, The X Factor, Britain's Got Talent and American Idol. He attended Dover College but left after taking GCE O levels. He is also the owner of the television production and music publishing house Syco. He was at number 41 in a list of "The World's 50 Most Influential Figures 2010” compiled by the British magazine New Statesman in 2010. His net worth is estimated to be $ 331 million.