Raoul Rubin is a computer consultant specializing in Microsoft Technologies. He is based in North Carolina.
Marshall Brain is founder and principal of Interface Technologies, Research Triangle, North Carolina. His firm specializes in software training for developers and administrators at leading financial companies such as Morgan Stanley, Lehman Brothers and Goldman Sachs. He is the author of Win32 System Services: The Heart of Windows 95 and Windows NT, and co-author of several books in the Prentice Hall Series on Microsoft Technologies, including Windows CE and Microsoft Network Technology.