Michael K. Johnson is an operating system engineer at Specifix. He was formerly an operating system developer for Red Hat, where he managed the kernel team for three and a half years, and was founding technical leader of the Fedora Project. He occasionally teaches full-day tutorials on Linux application development.
Erik W. Troan, cofounder and Executive VP of Operating Systems at Specifix, was formerly Vice President of Product Engineering at Red Hat, where he was responsible for specifying and building technologies such as RPM, Linux operating systems, the Red Hat Network, high-performance Web servers, and the infrastructure for Red Hat's Web site.