An author, trainer, and consultant specializing in network security, knowledge management and collaboration technologies, Bill English (MCSE, MCT, CTT+, MVP, GSEC) is the owner of Networknowledge, (www.networknowledge.com) a consulting and training business dedicated to planning, architecting and securing information for companies of all sizes. He has co-authored four books on Exchange 2000 Server, including The Exchange 2000 Server Administratorâ€™s Companion, by Microsoft Press, and Exchange 2000 Server: The Complete Reference, by Osborne McGraw Hill. He latest book (Addison Wesley) is on SharePoint Portal Server 2001. Bill is a regular presenter at conferences as is presenting this year at TechMentor, Comdex, Networld and the Microsoft Exchange Conference. Bill has earned the prestigious Most Valuable Professional (MVP) award from Microsoft for the SharePoint Portal Server platform. He lives in Minnesota with his wife and two children.