Jo Anna Diaz
About Jo Anna Diaz
Jo Anna Diaz is a Fuel Billing Manager with extensive experience in the fuel industry, having worked at GPM Investments, LLC since 2007. She previously held managerial positions at Valero Energy Corporation and Empire Petroleum Partners, LLC.
Work at GPM Investments
Jo Anna Diaz has been employed at GPM Investments, LLC since 2007. In her role as Fuel Billing Manager, she oversees the billing processes related to fuel transactions. Her tenure at GPM Investments spans 17 years, during which she has contributed to the company's operations in the United States.
Previous Experience at Valero Energy Corporation
Prior to her current position, Jo Anna Diaz worked at Valero Energy Corporation from 2000 to 2007. She served as a Manager during her 7-year tenure in Fort Worth, Texas. Her experience at Valero Energy provided her with a solid foundation in fuel management and billing processes.
Experience at Empire Petroleum Partners
Jo Anna Diaz worked at Empire Petroleum Partners, LLC as Fuel Billing Manager from 2007 to 2020. Her role in Dallas, Texas, lasted for 13 years, where she managed fuel billing operations. This position further enhanced her expertise in the fuel industry.
Education and Expertise
Jo Anna Diaz studied at Benedictine College, where she achieved a degree in Accounting in 1995. Her educational background has equipped her with the necessary skills and knowledge to excel in her roles within the fuel industry.