Derek Comartin is software developer and Microsoft MVP with two decades of professional experience that span enterprise, professional services and product development. He’s written software for a variety of business domains, such as consumer goods, distribution, transportation, manufacturing, and accounting. He founded and leads the Windsor-Essex .NET Developers Group (@WENetDevelopers). Derek has a very active blog, codeopinion.com, that focuses on .NET, CQRS, Event Sourcing, HTTP APIs and Hypermedia.