Valero Energy Corporation announced that Gary K. Simmons, Executive Vice President and Chief Commercial Officer, has been promoted and elected by the Board of Directors as Executive Vice President and Chief Operating Officer of the company, effective July 20, 2023. Gary has led the company?s commercial organization since 2014 and has served as Executive Vice President and Chief Commercial Officer since January 2020. In his new role as Executive Vice President and Chief Operating Officer, Gary will also have oversight responsibility for all refining operations.