Dr. Holger Schwichtenberg holds a Master’s degree and a Ph.D. in business informatics, both from the University Duisburg-Essen in Germany. He has had more than ten years experience as a lead developer and trainer. With his company IT-Visions.de, based in Germany, he works as a software architect, technology consultant, and trainer for leading companies throughout Europe. Holger is one of Europe’s well-known experts for .NET and Windows Scripting technologies, recognized by Microsoft as a Most Valuable Professional (MVP), a .NET Code Wise Member, a board member of codezone.de, an MSDN Online Expert, and a speaker for the International .NET Association (INETA). Based on his expertise in software development and the Windows operating system, Holger is one of the experts in the European Union versus Microsoft antitrust case. He has published more than 30 books for Addison-Wesley and Microsoft Press in Germany, in addition to more than 400 journal articles, notably for the IT journals iX, DOTNET Pro, and Windows IT Pro. His community websites www.dotnetframework.de and www.windows-scripting.com are members of the Codezone Premier Website program. Holger regularly speaks at professional conferences (for example, Microsoft TechEd, Microsoft IT Forum, Advanced Developers Conference, OOP, Net.Object Days, Online, BASTA, and DOTNET Conference). Holger can be reached at firstname.lastname@example.org.