Barry Gerber is an IT consultant focusing on communications systems, networking, and advanced database technologies. He is currently editorial technical director at TomsHardware.com. Barry is the author of four editions of the bestselling Mastering Exchange Server. He was also a founding editor of Network Computing Magazine.

Jim McBee, MCSE and MCT, is a consultant based in Honolulu, Hawaii. He specializes in Exchange deployments and education and has worked for many Fortune 500 customers, as well as the U.S. Department of Defense. He is the author of three editions of Microsoft Exchange Server 2003 Advanced Administration and coauthor of Cabling: The Complete Guide to Network Wiring.