Andrew Stellman is the author of Head First C#, the popular book (now going into its 5th edition!) that helps you learn C# and .NET. He's also written five other books, all published by O'Reilly Media. Andrew has been training people on software development and other technical topics for over 20 years, and he's constantly finding new ways to make learning technical skills and concepts interesting, engaging, and fun. He's is also a full-time software developer and team lead, and is passionate about all things code.