Henrik Frystyk Nielsen is a Principal Architect in the Server and Tools Division working on HTTP, REST, and WCF related technologies. Henrik is one of the principal authors of the Hypertext Transfer Protocol (HTTP) 1.0 and 1.1 specifications, the SOAP 1.1 and 1.2 specifications, and a frequently-cited authority on computer network architecture. In addition, Henrik helped start the Microsoft Robotics Initiative which resulted in the release of the Microsoft Robotics Developer Studio – a platform for building highly concurrent and distributed robotics applications. Before joining Microsoft, Henrik studied at CERN under Tim Berners-Lee working on HTTP and Web architecture, and later worked as a staff member of the World Wide Web Consortium (W3C). Nielsen is a graduate from Aalborg University, Denmark.