At Aetna, a C.E.O.’s Management by Mantra
On a recent wintry afternoon, Mark T. Bertolini, the 58-year-old chief executive of Aetna, the health insurer, was sitting in his Hartford office wearing a dark suit and a crisp,…
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On a recent wintry afternoon, Mark T. Bertolini, the 58-year-old chief executive of Aetna, the health insurer, was sitting in his Hartford office wearing a dark suit and a crisp,…