Mark Russinovich


  • Ph.D. in Computer Engineering, Carnegie Melon University, 1994
  • M.Sc. in Computer Engineering, Rensselaer Polytechnical Institute, 1990
  • B.Sc. in Computer Engineering, Carnegie Melon University, 1989


Playing video games (favorite: Battlefield series of online first-person shooters), biking, writing and speaking about Windows


Mark is a Technical Fellow working in Microsoft’s Platform and Services division. He is a widely recognized expert in Windows operating system internals and operating architecture and design. His discovery of a rootkit on popular Sony audio CDs led to industry reforms in the area of computer privacy.

Mark joined Microsoft when it acquired Winternals Software, the company he cofounded in 1996 and where he worked as Chief Software Architect. He is also the co-founder of, where he writes and publishes dozens of popular Windows administration and diagnostic utilities, including Process Monitor, Process Explorer, and Autoruns. He previously worked at IBM’s Thomas J. Watson Research Center, researching operating system support for Web server acceleration and serving as an operating systems expert.

Mark is the coauthor of the Windows Internals book series from Microsoft Press (starting with Inside Windows 2000 ). He is the Senior Contributing Editor for Windows IT Pro Magazine and a contributing editor for TechNet magazine, and he has written dozens of articles on Windows internals. Mark has been a featured speaker at major industry conferences around the world, including Microsoft’s TechEd, WinHEC, Professional Developer’s Conference, Windows Connections, and TechMentor. He has taught Windows internals, troubleshooting, and file system and device driver development to companies worldwide, including Microsoft, the CIA, and the FBI.