Operating Systems

Mark Minasi, MCSE, is one of the world's leading Windows authorities. He teaches classes in 15 countries and is a much sought-after speaker at conferences and industry gathering keynotes. His firm, MR&D, has taught tens of thousands of people to design and run Windows networks. Mark has written over 15 books for Sybex, including the market-leading Mastering Windows Server 2003 and The Complete PC Upgrade and Maintenance Guide.

Rhonda Layfield has been in the IT industry for 25 years and worked in every capacity, from running network cables in the US Navy to consulting with a number of Fortune 500 companies in a vast array of technologies. She enjoys sharing what she has learned, both by writing and presenting at national conferences.

Lisa Justice is a senior systems administrator and IT project manager with an employee-owned research corporation in Rockville, Maryland. She has been supporting, managing, and building Unix and Windows-based networks for over ten years. Occasionally, when Mark twists her arm, she also writes about them. Lisa is a coauthor of Mastering Windows Server 2003 and a contributor to Mastering Windows 2000 Server and Mastering Windows NT Server 4.