I'm the founder of SyntaxTree, a company dedicated to provide programmers with fantastic tools.
I wrote Mono.Cecil, the Mono.Linker and a few other useful tools.
Previously I was a Software Engineer in the Mono Team at Novell. There I maintained LINQ and wrote our System.Linq.Expressions implementation. I was also in charge of producing the base class libraries for Moonlight, MonoTouch and Mono for Android.
Before that I worked at db4o, where among other things I implemented the LINQ to db4o provider, and worked on Sharpen, a Java to C# converter.