Worldwide Technical Expert Center for HP Services in Atlanta, Ga. He’s worked in the IT industry since 1981. Olsen is a Microsoft MVP for Directory Services and president of the Atlanta Active Directory Users Group. He’s the author of “Windows 2000: Active Directory Design and Deployment” (New Riders, 2000) and coauthor of “Windows 2003 on HP ProLiant Servers” (Prentice Hall, 2004).