Peter Lee and Ryan Roslansky announced their departure from Microsoft After more than 16 years at the company and nearly 18 years between LinkedIn and Microsoft, respectively.
Lee headed Microsoft Research and Rozlansky left LinkedIn to lead Microsoft 365. Lee will look for new opportunities, while Roslansky explains that he is leaving for family reasons.
A new opportunity and change of address
Read on, so far President of Microsoft ScienceHe announced his decision in a post on LinkedIn, where he highlighted that it was “an opportunity of a lifetime.” He also noted that the new job will represent a significant change in his field of activity over the past two decades. In addition, he says he has worked with Mayo Clinic, as well as Kaiser Permanente’s Bernard J. Tyson will continue to collaborate with the School of Medicine and Seattle Children’s.


Lee was Professor of Computer Science at Carnegie Mellon University From 1987 to 2010 before joining Microsoft. Time magazine included him among the 100 most influential people in health and life sciences in 2024, according to his Microsoft biography. In addition to his professional career, Lee Transformed classic cars into electric cars. These include a 1955 Porsche 550 Spyder and a replica of the 1968 Ford Mustang GT fastback.
Roslansky, who has been with LinkedIn since 2009 and became CEO in 2020, has expanded his responsibilities. Monitor Microsoft 365 in 2025. In April 2026, Dan Shapero succeeded Roslansky as LinkedIn’s CEO, but on October 1 it was announced that he would continue to serve as an advisor to Satya Nadella until the end of 2026.


Additionally, the note explained that leading the next phase would involve being in Redmond full-time and that Family situation does not suit. ““My family and I live here, in the bay.”Roslansky wrote on the occasion of his farewell, referring to San Francisco. He expressed his gratitude to Nadella for giving him freedom after the LinkedIn acquisition. In turn, the CEO of Microsoft praised his work and his “Clarity of Thought”.
LinkedIn has its CEO, while Microsoft restructures its teams: According to the statement, Sumit Chauhan and Lan Ye come under the authority of Charles LaManna. John Friedman reports to Jacob Andreu.

LinkedIn keeps its CEO, while Microsoft restructures its teams
The announcement itself was published on October 1 and the changes took effect that day. It is mentioned in the same speech Dan Shapero will lead LinkedIn. Shapero and Mohawk Shroff will report directly to Satya Nadella.
Roslansky defends the importance of learning how to use AI. In November 2025, Genbeta compiled Rozlansky’s thoughts on the future of employment, including how learning to use and adapting to these technologies will affect job prospects. Microsoft is developing AI systems to delegate tasks in its Microsoft 365 and Office products.
On October 12, 2026, Lee told Fortune that he plans to advise the Mercedes Formula 1 team on AI.
Picture | Microsoft with version