Mark Russinovich is a Technical Fellow in Windows Azure, Microsoft's cloud operating system group. Russinovich is a widely recognized expert in Windows operating system internals as well as operating system architecture and design. Russinovich joined Microsoft when Microsoft acquired Winternals software, the company he cofounded in 1996 and where he worked as Chief Software Architect. He is also cofounder of Sysinternals.com, where he wrote and published dozens of popular Windows administration and diagnostic utilities including Autoruns, Process Explorer and Tcpview. Russinovich coauthored "Windows Internals" and "The Sysinternals Administrator's Reference," both from Microsoft Press, authored the cyberthriller Zero Day, is a Contributing Editor for TechNet Magazine and Senior Contributing Editor for Windows IT Pro Magazine, and has written many articles on Windows internals. He has been a featured speaker at major industry conferences around the world, including Microsoft's TechEd, IT Forum, and Professional Developer's Conference, as well as Windows Connections, Windev, and TechMentor, and has taught Windows internals, troubleshooting and file system and device driver development to companies worldwide, including Microsoft, the CIA and the FBI. Russinovich earned his Ph.D. in computer engineering from Carnegie Mellon University.