Brien Posey is an award winning author who has written over 3,000 articles and written or contributed to 27 books. You can visit Brien’s personal Web site at www.brienposey.com

David Davis has served as an IT Manager for over 15 years. He has a number of certifications including CCIE #9369, MCSE, CISSP, & VCP. Additionally, David has authored over one hundred articles, a number of video training courses including Windows XP, Wireless Networking, Linux Administration, ISA Server, A+ Certification, Microsoft Virtual Server, VMware Server & Workstation, & VMware ESX Server. David publishes Cisco Networking how-to articles & videos at his website, HappyRouter.com.

Mitch Tulloch is a writer, trainer and consultant specializing in Windows server operating systems, IIS administration, network troubleshooting, and security. He is the author of 15 books including the Microsoft Encyclopedia of Networking (Microsoft Press), the Microsoft Encyclopedia of Security (Microsoft Press), Windows Server Hacks (O'Reilly), Windows Server 2003 in a Nutshell (O'Reilly), Windows 2000 Administration in a Nutshell (O'Reilly), and IIS 6 Administration (Osborne/McGraw-Hill). Mitch is based in Winnipeg, Canada, and you can find more information about his books at his website www.mtit.com

Peter Schmidt is a MCITP: Exchange 2007, MCITP: Enterprise Administrator, MCTS, MCSA/MCSE:Messaging/Security, MCDBA and works as an Infrastructure Architect at EDB Gruppen A/S, a Microsoft Gold Partner based in Denmark. His primary role at EDB Gruppen A/S is to plan, design and implement Microsoft infrastructure solutions. He is currently specializing in Unified Communications (Exchange & Office Communication Server), IIS and Directory Services.

Peter has over 12 years of experience as an IT Pro, working with Microsoft technology. In addition to his job Peter runs his own blog: www.iis-digest.com about Microsoft technologies and is active at the danish IT Pro community website IT-experts.dk.

Robert J. Shimonski (MCSE, etc) is an entrepreneur, a technology consultant and a published author with over 20 years of experience in business. Robert's specialties include network management, wide and local area network design and architecture, security analysis and designing storage (SAN) related technologies. Robert also has many years of experience deploying and engineering Linux and Unix based systems such as Red Hat and Sun Solaris. Robert can be found online at www.shimonski.com.

Russell Hitchcock is a consultant whose specialties include networked hardware, control systems, and antennae. Russell also has extensive technical writing experience on numerous topics.

Andrew Z. Tabona (MCSA, Network+, Security+, etc) heads a QA/CRM team at GFI Software, a leading global security and messaging software firm. Prior to this he plied his trade as a Network Administrator and an independent technical trainer. He has written a wealth of articles, manuals, white papers, etc and tries to “bridge the gap” with his easy going style of writing.

Don Parker, GCIA GCIH specializes in matters of intrusion detection, and incident handling. He has also enjoyed a role as guest speaker at various network security conferences, and writing for various online and print media on matters of computer security. You can contact Don Parker at dparker@bridonsecurity.com

Dr.Johannes Helmig is working as Director, Technical Knowledge Management in the Belgium office of Gerber Technology where he is involved in Customer Service and internal training, with special interest in Networking.