240. Robert Pera
$3.2 billion self-made score: * source: Wireless networking Gear
age: 39 residence: san Jose, calif. m.s., uc san diego ’02 Pera’s Ubiquiti Networks launched its first wearable device in August. Called Frontrow, it’s a camera that hangs from a strap to let users live stream their surroundings handsfree. Ubiquiti got its start selling wireless networking systems and drew customers from around the world. Pera, who purchased a stake in the NBA’S Memphis Grizzlies in 2012, started as an Apple wireless engineer in 2003.