Theresa Hadden, MCSE, MCT, and SAIR Linux Certified teaches Microsoft server products, Linux, and security courses. She presents both Microsoft Official Curriculum and custom prepared courses to prepare students for certification examinations as well as post examination reviews. In addition, she teaches Linux Intro and System Administration courses for Compaq and she has been active in the LPI's Linux community in the mailing list and other venues for providing input and suggestions for the objectives and questions on the test. Theresa has over 15 years of System Administration experience using Novell, Unix, and Windows NT. She works with small to medium size businesses needing LAN/WAN capabilites and/or Internet access using both Linux and Microsoft products. She also provides installation, administration, and educational services to her clients.