LIFE’S A CLASSROOM: Before Jack Ma steered Alibaba to a world-record $25 billion IPO, he was a teacher. And that doesn’t surprise Aaron Schildkrout, an entrepreneur-in-residence at RRE Ventures’. Schildkrout, who taught high school American History before founding online dating site howaboutwe.com, explained on LinkedIn Pulse why “teaching is a lot more like being a start-up CEO than our teacher-degrading, CEO-fetishizing society wishes to know.” Indeed, things like user experience, quantifiable metrics and knowing when to get out of the way also apply to a fourth-grade classroom.