CITGO Petroleum Corporation named Dennis Willig the company's new Vice President of Refining, where he will oversee operations at the company's three refineries located in Lake Charles, La.; Lemont, Ill.; and Corpus Christi, Texas.

Willig most recently served as Vice President and General Manager of the Corpus Christi Refinery, and prior to that was the Vice President and General Manager of the Lemont Refinery where he spent the majority of his 28-year career with CITGO.

Replacing Willig as the new Vice President and General Manager Corpus Christi Refinery is Ryan Vining, who spent the last 24 years at the CITGO Lake Charles Refinery, most recently as General Manager Operations, Maintenance and Reliability. Both appointments are effective Feb. 1, 2024.

"Denis Willig's leadership skills, experience and commitment to operational excellence are an excellent fit for overseeing our refining network and maintaining continuity in our operations," said CITGO Chief Operating Officer and Executive Vice President Edgar Rincon. "And adding Ryan Vining as Vice President and General Manager Corpus Christi Refinery further strengthens our leadership team."

Willig replaces Jerry Dunn, who will retire after more than 34 years with CITGO, spent primarily at the Lake Charles Refinery before serving as Vice President Refining for nearly two years.