Evan Wallace is an electronic engineer in the Systems Engineering Group under the Systems Integration Division (SID) of the Engineering Laboratory (EL) at the National Institute of Standards and Technology (NIST). He joined NIST in 1984. His current responsibilities include investigating architectures, standards, and practices to enable smart manufacturing. His focus has been on models, languages, technologies and standards for system integration for manufacturing and other technical domains with a concentration on ontologies and conceptual modeling. He was a member of the NIST Smart Grid Framework and Roadmap team, and a key member of the standards group developing the ASHRAE Facility Smart Grid Information Model (FSGIM). He was a co-editor of the latest Web Ontology Language (OWL) recommendation and represented NIST in other Semantic Web standards groups. He is a co-chair of the Ontology Special Interest Group at OMG and championed the development of the Ontology Definition Meta-model (ODM) specification and the Data Acquisition for Industrial Systems (DAIS) specification at OMG. He was also a member of the SP-95 working group at ISA that developed part 1 of the ISA-95 standard for Enterprise – Control System Integration.