"I'd expect the board would change," Ottinger added then.
When Nadella assumed the CEO spot on Feb. 2, half of the 10 board members had served for 10 years or more, while their average age — discounting Nadella — was 61. With the appointment of List-Stoll and Scharf, the average age will fall to 57.
At the end of 2014, only three of the 10 board members — Gates, Charles Noski and Helmut Panke — will have been on the board longer than a decade.
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