Sources familiar with the process said Microsoft is down to a "handful" of candidates, including one or more outsiders from the tech industry, former Nokia CEO Stephen Elop and insiders Satya Nadella and Tony Bates.
The world's largest software maker also has at least three internal candidates on its shortlist, including former Skype CEO Tony Bates, who is now responsible for Microsoft's business development, and Satya Nadella, the company's cloud and enterprise chief.
Skype goes shopping, picks up GroupMe
The big deal news has been on Microsoft's 8.5 billion dollar acquisition of Skype. In an interview with CNBC US, Tony Bates, CEO of Skype and Steve Ballmer, CEO of Microsoft, gave more details on the deal.