Longtime Microsoft research leader Peter Lee and former LinkedIn CEO Ryan Roslansky to depart
Two of Microsoft's most influential AI and research leaders are departing. Here's what changes for enterprise buyers.
Why it matters
Peter Lee (Microsoft Research) and Ryan Roslansky (LinkedIn, Office) departures signal a reshuffling of Microsoft's AI strategy and organizational priorities. For enterprise customers, this matters because Lee shaped the company's foundational AI research agenda and Roslansky oversaw two major productivity platforms being retooled for agents and AI. Leadership transitions of this scale often precede strategy announcements or product acceleration.
The key facts
12 to knowPeter Lee, former head of Microsoft Research, departing
Ryan Roslansky, EVP overseeing LinkedIn and Microsoft Office, departing
Both departures announced this week (Oct 1, 2026)
No replacement or succession plan disclosed in article
No stated reason for departures provided
Lee led Microsoft Research, which shapes foundational AI capability and safety work
Roslansky oversaw LinkedIn and Office — two platforms central to Microsoft's productivity-AI rollout
Peter Lee departs as head of Microsoft Research (now President of Microsoft Science)
Ryan Roslansky departs as EVP overseeing LinkedIn and Microsoft Office
Both executives announced departures this week
No succession plan or strategic rationale disclosed in available reporting
Microsoft Research historically drives frontier capabilities; Office/LinkedIn are core enterprise and productivity revenue
Go to the source
GeekWiregeekwire.com
Publisher excerpt: Two top Microsoft executives shared this week that they're leaving the Redmond, Wash., tech giant: Peter Lee, the former head of Microsoft Research, and Ryan Roslansky, Microsoft executive vice president overseeing both LinkedIn and Microsoft Office.