You’d think an environmental health and safety (EHS) expert would be overly cautious about the world around him, calculating every possible danger and wrapping family members in cotton wool. Not Kevin Kaiser. While he’s spent his career teaching GE employees to stay safe, when the workday is over and Kaiser pursues one of the most teeth-gnashing hobbies known to humanity: barefoot water-skiing. “It’s exhilarating,” he says from his home office in Charleston, South Carolina. “There’s more risk to it. You go faster.”