Marcin Policht has been working in the technology field since 1994, primarily in the financial industry, specializing in enterprise-level administration and engineering. Among his personal accomplishments are several publications, including WMI Essentials for Automating Windows Management (SAMS Publishing), Windows Server 2003 Bible (Hungry Minds), Windows 2003 Active Directory (Sybex), and Building High Availability Windows Server 2003 Solutions (Addison Wesley). As a Microsoft MVP in Directory Services (since 2006), he has been focusing on the recent developments in identity management (in particular Active Directory), but also continuing to explore advancements in virtualization and clustering.