Christopher Negus is the author of the bestselling Fedora and Red Hat Linux Bibles, Linux Toys II, Linux Troubleshooting Bible, and Linux Bible 2008 Edition. He is a member of the Madison Linux Users Group. Prior to becoming a full-time writer, Chris served for eight years on development teams for the Unix operating system at AT&T, where Unix was created and developed. He also worked with Novell on Unix development and Caldera.

Francois Caen hosts and manages business application infrastructures, through his company Turbosphere LLC. As an open-source advocate, he has lectured on OSS network management and Internet services, and served as president of the Tacoma Linux User Group. FranÇois is a Red Hat Certified Engineer (RHCE).