Dr. Steven Ray is a Distinguished Research Fellow at Carnegie Mellon University Silicon Valley, where he researches information interoperability and standards in application domains including smart electrical grid, medical devices, disaster management, and manufacturing. A common theme of his work is the use of ontologies and formal representations to ensure unambiguous definitions of terms and relations. He has a twenty-seven-year track record of initiating and leading technical R&D projects at the National Institute of Standards and Technology in Gaithersburg, Maryland. For the past decade, he was responsible for the management of a $10-13M division of 60 staff and visiting researchers dedicated to the solution of national problems related to measurements and standards supporting systems interoperation in the manufacturing sector. He led the establishment of a new extramural program (TIMA - Technologies for the Integration of Manufacturing Applications) on assignment to the NIST Advanced Technology Program. He served for one year as Chairman of the IGES/PDES Organization that coordinated the U.S. participation in the creation of the STEP product data standard (STEP - Standard for the Exchange of Product Model Data, ISO 10303). The STEP standard has yielded documented savings to manufacturers of $200M/year (2002), projecting to $1B/year. Dr. Ray has twice been awarded the Department of Commerce Bronze Medal since joining NIST as a National Research Council Postdoctoral Fellow. He is a member of ASME and SME.