Mats Helander, One of the developers behind Puzzle.NET

Mats Helander works as a consultant for Intentional Software. He was also one of the developers behind Puzzle.NET, a collection of open source .NET frameworks and tools for AOP, O/R Mapping and Dependency Injection, as well as lead developer of Pragmatier Data Tier Builder, one of the first commercial O/R Mappers for .NET.