Nikesh Arora, CEO of Palo Alto Networks, now estimated to be a billionaire
The Start: Nikesh Arora was the highest-paid executive at Google in 2012, with a compensation package worth around $51 million. He went on to receive stock awards worth at least $200 million before he left the company. In 2014, he was recruited by Masayoshi Son of SoftBank Group Corp. and...