CEO, 1991-2000; Director, 1992--2010 Steere ran Pfizer when Lipitor and Viagra helped make it the largest pharma company on the planet. He remained a potent force on the board through Pfizer's struggles and management crises. Steere helped install -- and remove -- Hank McKinnell and Jeff Kindler as chief executive and also played a key role in Ian Read's ascension to CEO last year.
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