Harold Carr is the architect for SOAP and REST web services at Oracle (a position he also held at Sun Microsystems). Previous to this role he was responsible for RMI-IIOP load-balancing and fail-over in the GlassFish application server. He designed the core architecture used in Sun's CORBA ORB and in the JAX-WS 2.0 reference implementation and the scalable socket communications architecture used in GlassFish and IIOP remoting. He helped write the OMG Portable Object Adapter specification and was chairperson of the OMG Portable Interceptor specification. Previous to Sun, he did distributed computing research at Hewlett-Packard Research Laboratories and Schlumberger Research Laboratories, was Chief Architect of Visual Lisp technology at Autodesk, and was a logic simulation consultant for Cirrus Logic. He holds a Ph.D., in Computer Science from the University of Utah.