Gus Lopes - Super User Leader and ERP Training Developer, Business Process Development HollyFrontier Corporation (NYSE: HFC) is among the largest independent petroleum refiners in the United States with operations throughout the mid-continent, southwestern and Rocky Mountain regions. In his current position, Gus Lopes is responsible for the coordination of the Super User program as well as enterprise projects training initiatives. Gus Lopes is an SAP AG certified professional with twelve years of experience on training, testing and configuration of ERP systems. Before joining HollyFrontier Gus Lopes acted as an international implementation consultant working on SAP modules such as Finance, Controlling, Contract Accounts, Sales & Distribution, Material Management and Human Resources. Besides his Oil & Gas experience, Gus Lopes has worked in projects for the Pharmaceutical, Waste Management, and High Technology industries.