John Barnett has been a Microsoft MVP since 2000, specializing in XP help and support. He is a frequent contributor to the Windows XP Trial and Windows Expertzone newsgroups, and runs his own XP help and support site at http://xphelpandsupport.mvps.org. For several years he has been a software tester for Microsoft and other software manufacturers such as Zone Labs, Future Systems Solutions, Inc. and McAfee.

Curt Simmons (B.A., M.Ed, MCP, MCSA, MCSE, CTT, former MVP for Windows Server-Directory Services) is a technology author and trainer specializing in Microsoft products. He is the author of more than fifty computing books on various technologies.

Alan Simpson is a popular and best-selling technology author who has been writing about Windows since the days of Windows 95. He is particularly knowledgable in Windows XP configuration and multimedia.

David Dalan (MCP, MCSE) is a network engineer, Internet Service Provider manager, and Windows instructor. He brings an unusually high level of expertise to the areas of networking with Windows XP and Windows XP scripting.