Gaston C. Hillar has been working with computers since he was eight. He began programming with the legendary Texas TI-99/4A and Commodore 64 home computers in the early 80s. He has a Bachelor degree in Computer Science from which he graduated with honors, and an MBA from which he graduated with an outstanding thesis. Now, he is an independent IT consultant and a freelance author always looking for new adventures around the world. To date he's written more than 40 books in Spanish, and for Packt Publishing has written “C# 2008 and 2005 Threaded Programming: Beginner's Guide”. He usually writes articles for Spanish magazines Mundo Linux, Solo Programadores and Resistor. He contributes to Dr. Dobb's Go Parallel programming portal http://www.ddj.com/go-parallel/ and he is a guest blogger at Intel Software Network http://software.intel.com Gaston C. Hillar is the author of 'Microsoft Silverlight 4 and SharePoint 2010 Integration'.