Ford's board plans to press chief executive Alan Mulally soon for a decision on his future, as speculation intensifies that he may be offered the job of CEO at Microsoft.

Mulally, 68, is one of a handful of candidates still in contention for the Microsoft role, according to several Reuters sources close to the technology giant, and he has not tried to dispel talk that he is interested in the job.

That has begun to annoy some on Ford's board, two sources told Reuters this week, and the issue will be discussed when the board meets in the Detroit area on Thursday (12 December, 2013).

Mulally is a board member but it is not clear if he will attend the meeting. The sources told the news agency directors intended to raise the issue with him this week or next.

"It's drowning out the rest of the story," said one source close to Ford's board. "People don't write about Mustang, they don't write about earnings, they write about Mulally."

That has led to frustration and a desire for clarity, the source said.

Microsoft declined comment on the progress of its CEO search, and a Ford spokesman repeated earlier statements that Mulally is slated to stay as Ford CEO to the end of 2014, although it emerged in September that the board would be open to him leaving earlier than that.

Reuters noted that several prominent Microsoft investors have campaigned behind the scenes for Mulally to succeed the retiring Steve Ballmer, and media attention has focused on him over the past few months. Sources with knowledge of the tech company's hunt for a new leader say Mulally is among a "handful" of contenders, and that Microsoft is strongly considering a younger, more tech-savvy external candidate.

Mulally, credited with reviving Ford's fortunes since taking the helm in 2006, has already scaled back his involvement at the automaker this year, allowing younger executives to take a more prominent role, several people close to the automaker said.

Even if Mulally does not take the Microsoft job, it is unlikely he will stay at Ford until the end of next year, the two sources said. The board has gained confidence in chief operating officer Mark Fields, a 24 year Ford veteran who is widely expected to be the next CEO.

"He has done what he needs to at Ford," said one person familiar with Mulally's thinking.

Mulally, poached from Boeing in 2006 to steer the US automaker's turnaround, is credited with driving a culture change that saved Ford. That has made him an attractive candidate for Microsoft as the tech behemoth struggles to make a mark in the mobile-computing era.

But the speculation over whether he will take the Microsoft job has been a distraction for Ford, the sources said. The automaker is on the cusp of several key launches next year, including a risky and radical overhaul of one of its most profitable vehicles, the F-150 pickup truck.

On top of that, rival General Motors put the topic of auto industry leadership firmly in the spotlight on Tuesday with the surprise announcement that long-time insider Mary Barra would become its next CEO.

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