A start-up genius, Zillow Group Co-founder and Executive Chairman Rich Barton has figured out how to build successful game-changing companies over and over again. Barton’s tech empire reaches far. He is a venture partner at Benchmark and is on the board of directors at Netflix, Avvo, RealSelf and Nextdoor. He hasn’t stopped putting his hands on tech real estate startups, either, recently investing a sizable chunk into short-term rental management software TurnKey.