Eric Yuan founded Zoom in 2011 after helping build WebEx, which Cisco bought for $3.2 billion. Yuan emigrated to Silicon Valley in 1997 at the age of 27. Zoom was a small team initially. Zoom debuted in the stock market at $15.9 billion, the stock climbed 72% in its 1st day itself to $62, after the company raised $356.8 million in its IPO. Yuan owns 20% of the shares & is tech's newest billionaire with $2.9 billion.