Case, 51, runs investment firm Revolution, whose stakes include health-care and resort companies. He recently sold a unit, Revolution Money, to American Express (AXP) for $300 million. Case and his wife, Jean, oversee the Case Foundation, which focuses on health care and the environment. He remains an apostle of the transformative potential of technology, relentlessly twittering his message.
After leaving Time Warner, Levin, now 70, transformed himself, getting a tan and shedding lots of weight. Levin was once described as a Machiavellian workaholic who became increasingly paranoid that Time Warner would be left in the dust of the emerging digital age. Today, he's a director of the Moonview Sanctuary, a holistic healing center in Santa Monica, Calif.
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