Brien Posey is a freelance technical writer who has received Microsoft's MVP award four times. Over the last 12 years, Brien has published over 4,000 articles and whitepapers, and has written or contributed to over 30 books. In addition to his technical writing, Brien is the cofounder of Relevant Technologies and also serves the IT community through his own Web site.Prior to becoming a freelance author, Brien served as CIO for a nationwide chain of hospitals and healthcare facilities and as a network administrator for the Department of Defense at Fort Knox. He has also worked as a network administrator for some of the nation's largest insurance companies.