MARK RUSSINOVICH works at Microsoft as a Technical Fellow, Microsoft's senior-most technical position. A cofounder of Winternals, he joined Microsoft when the company was acquired in 2006. He is author of the popular Sysinternals tools as well as coauthor of the Windows Internals book series, a contributing editor for TechNet Magazine, and a senior contributing editor for Windows IT Pro Magazine. His first Jeff Aiken novel, Zero Day, was published in 2011. He lives in Washington State.