Bill Mandrick is Associate Director for Ontology Development at the RTX Model Based Digital Thread Process Control Center (MBDT PCC).  He is the primary architect of the RTX Enterprise Ontology (REO) and consults on numerous compliant ontologies that span the product lifecycle. Prior to his work at RTX, Bill developed ontologies for the Department of Defense (DoD), Defense Intelligence Agency (DIA), and Department of Homeland Security (DHS). He also served for 34 years in the U.S. Army in a variety of positions finally retiring as a Senior Research Fellow at the Joint Special Operations University (JSOU). Bill earned his Doctorate in Ontology at the University at Buffalo.