Craig Mundie has left his role as Microsoft's chief research and strategy officer to become senior adviser to the CEO, as he winds down before retirement.
Mundie had led strategy since founder Bill Gates stepped down from full-time work at the company in 2006.
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Ina Fried of All Things D first reported the move Monday morning, noting that it was announced in an internal memo from CEO Steve Ballmer on Dec. 14, which also included news that Mundie plans to retire in 2014.
Chief Technical Strategy Officer Eric Rudder has taken over most of Mundie's former duties, including overseeing Microsoft research.
Mundie, who will turn 65 in 2014, joined Microsoft in 1992 in the consumer platforms division, where he managed production of Windows CE. Before then, he had co-founded Alliant Computer Systems, which filed for bankruptcy in 1992, and previously was director of Data General's advanced development facility at Research Triangle Park, North Carolina.
"Over his career, Craig has brought great value to the groups and initiatives he has started and overseen and now brings that wealth of experience to his new role," Ballmer said in the email, according to All Things D. "Craig has also been instrumental in building relationships with governments and policymakers around the world."
Mundie has been the company's primary technology-policy liaison to the U.S. and other governments, according to his biography on the Microsoft website, which was updated Dec. 17 to reflect his new role. Mundie has particularly focused on China, India and Russia in the liaison role, and also served on the U.S. National Security Telecommunications Advisory Committee and the Markle Foundation Task Force on National Security in the Information Age. President Barack Obama appointed Mundie to the President's Council of Advisors on Science and Technology in April 2009.
As senior adviser, Mundie works on "key strategic projects within the company, as well as with government and business leaders around the world on technology policy, regulation and standards," according to his biography.