Microsoft Chief Executive Officer Satya Nadella announced a broad reorganization of the company's senior executive ranks as long-time Chief Operating Officer Kevin Turner prepares to leave for another job.

Jean-Philippe Courtois will be in charge of global sales, marketing and operations spanning Microsoft's 13 business areas, Nadella said in a note to employees Thursday.

Judson Althoff will lead the worldwide commercial business, including government and small and medium-sized businesses.

Other executives already reporting to Nadella will take on parts of Turner's job, with Chris Capossela leading worldwide marketing, Kurt DelBene leading IT and Chief Financial Officer Amy Hood taking over the sales and marketing team's finance group, which had been separate.

At Microsoft, Turner, 51, was known for instilling rigor and discipline in sales and operations organizations that had lacked it, and helping boost sales of enterprise software.

But he also presided over declining sales growth in the final years of CEO Steve Ballmer's reign as the company's flagship businesses aged and it lost out on mobile and operating system sales to Google and Apple.

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