Edward Gogol was promoted to vice president of clearing house systems development for the Chicago Mercantile Exchange. Julie Holzrichter was promoted to vice president of procedural oversight and technology integration. She previously had a variety of managerial roles at the CME. Robert Petrowski was promoted to vice president, facility administration. He has overall responsibility for facility management. Thomas Tabisz was promoted to vice president of enterprise computing operations. He is responsible for daily computer operations throughout the CME.