Peter Lee (@peteratmsr)

For the past 16 years, I'm pretty sure I've had the best job in all of tech. But an opportunity has come up that forced me to ask the question, "Considering my stage of life and career, will I regret it if I pass on this?" The answer I came up with was "Yes," and so I've taken a big leap and decided to retire from Microsoft. Working at Microsoft, having the privilege of leading @MSFTResearch, and most recently serving as President of Microsoft Science, has been an incredible experience, full of personal growth and the satisfaction of positive global impact on people and on Microsoft. My colleagues, every day, created a working environment that felt like living in the inevitable future. In my view, @satyanadella, @kevin_scott, @judsonalthoff, and the entire senior leadership of Microsoft have created the modern-day equivalent of Camelot, seeking to align Microsoft's business priorities with the goal of global empowerment and prosperity for all. I've been proud to be a part of it all. As for what I'll be doing next, what I can say at this point is that it is a once-in-a-lifetime opportunity to join an elite team, fulfilling a dream I've had since childhood. It's a major detour from what I've been doing over the past 2+ decades, but rest assured that I'll be able to continue my participation with @MayoClinic, @KPMedSchool, @seattlechildren, and other great organizations that seek to improve and advance healthcare delivery and medical science.