Raymond E. Enger is the IT Program Director for the Osceola Campus of Valencia Community College where he has taught classes in computer programming, database design, operating systems, networking, security, and other IT areas since 2001. His background in programming includes C, C++, C#, Java, PHP, Perl, ASP, Visual Basic, and the other Visual Studio languages. Ray built the study tool for the last three editions of the Shelly Cashman Series' Systems Analysis and Design book and is also a co-author of the Microsoft Windows Vista series of books.