"Hey there! Thanks for letting me be your guide through the wild and wooly world of information technology and certification. In my career thus far I have held many roles, from systems engineer, to software developer, to database administrator, to IT manager, to technical trainer. My professional motto is 'Always teaching, always learning.' Above all else, I am honored to be working with you and helping you achieve your goals."

Tim Warner has worked full-time in the information technology field since 1997. His professional background includes Windows server management, Cisco internetworking, SharePoint implementation, SQL Server database administration, and .NET development with Visual Basic.

He has served as a systems engineer in K-12, corporate, and university environments; as a technical trainer for corporate training centers and vocational schools; and as a software developer for a number of high-profile IT educational firms.

Tim is also widely published. His bibliography includes two trade books on Microsoft certification and a couple dozen pieces for IT industry periodicals such as Certification Magazine, Microsoft Certified Professional Magazine and Processor Magazine.