Klaus Löffelmann is a Microsoft MVP for Visual Basic .NET, and has been a professional software developer for over 20 years. He has written several books about Visual Basic, and is the owner and founder of ActiveDevelop in Lippstadt, Germany, a company specializing in software development, localization, technical literature and training/coaching with Microsoft technologies.
Sarika Calla Purohit is a Software Design Engineer Test Lead on the Visual Studio Languages team at Microsoft. She has been a member of the Visual Studio team for over eight years and has contributed to Visual Basic .Net since version 1.1. Most recently, her team was responsible for testing the Visual Basic IDE in Visual Studio 2010.