Microsoft Brings Back Google's Hayete Gallot to Run Security

CEO Nadella Names Gallot EVP, Current Head Charlie Bell Takes New Engineering Role Michael Novinson (MichaelNovinson) • February 5, 2026

Microsoft tapped Google customer experience leader Hayete Gallot to run its security business and shifted Charlie Bell to oversee the Seattle-area software giant's engineering quality.

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Gallot returned to Microsoft after 17 months at Google, and sees security as foundational to the success of artificial intelligence and digital transformation. Bell has led Micosoft's security organization since September 2021, and expressed a desire to return to the craft of engineering, where he was focused for his nearly 24 years with Amazon and AWS. Both Gallot and Bell will report directly to Chairman and CEO Satya Nadella.

"Charlie and I have been planning this transition for some time, given his desire to move from being an org leader to being an ...