It's Microsoft Research, specifically, that pulls in most of this great talent. Let's not forget the VMS's people run by Cutler that made the kernel, the Xbox hypervisor, and some other stuff. Add Butler Lampson if we're talking CompSci people. The teams behind Dafny, VerveOS, Ironclad, VCC, etc are way ahead of most language-based safety or formal verification in terms of cost/benefit analysis:
https://en.wikipedia.org/wiki/Butler_Lampson
http://rise4fun.com/