59-year-old Apple CEO Tim Cook becomes a billionaire

Apple's 59-year-old CEO Tim Cook has become a billionaire 9 years after he took the helm of the iPhone maker, according to Bloomberg. Apple, which was worth $350 billion when Co-Founder Steve Jobs died in 2011, is now $70 billion away from becoming a $2-trillion company. Cook had said in 2015 that he plans to donate most of his wealth.