Bio: Jon "maddog" Hall is the Executive Director of Linux International (www.li.org), a non-profit association of computer vendors who wish to support and promote the Linux Operating System. During his career which spans over thirty years, Mr. Hall has been a programmer, systems designer, systems administrator, product manager, technical marketing manager and educator. He has worked for such companies as Western Electric Corporation, Aetna Life and Casualty, Bell Laboratories, Digital Equipment Corporation, VA Linux Systems, and is currently funded by SGI. He has taught at Hartford State Technical College, Merrimack College and Daniel Webster College. maddog is the author of numerous magazine and newspaper articles, many presentations and one book, "Linux for Dummies". When not either speaking worldwide or writing articles, he serves on the boards of several companies, and several non-profit organizations, including the Linux Professional Institute and the USENIX Association. maddog received his BS in Commerce and Engineering from Drexel University, and his MSCS from RPI in Troy, New York.