WeWork's Adam and Rebekah Neumann mixed business and spirituality from Kabbalah Centre, a religious organization known for high-pressure tactics. : With his angular features, fashionable stubble, close-cropped salt-and-pepper hair, and chunky glasses, Eitan Yardeni didn't look out of place at WeWork's New York City headquarters, where he was a familiar presence to staffers. But the 55-year-old Yardeni is no tech guru: He's a spiritual one. Yardeni is a long-time confidant of WeWork co-founder Adam Neumann and his wife Rebekah.