Preston Hollow neighbor and pipeline executive Kelcy Warren is making headlines for having one of the happiest places to work among Fortune 100 companies. Energy Transfer scored No. 5 on the “happiness index,” according to UpSlide. Warren got a 97% CEO approval rating. Warren owns a recording studio in Austin. His $29 million, 27,200-square-foot home in Preston Hollow features a hidden door in a walk-in closet that leads to a secret room filled with guitars, according to Texas Monthly.

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