CITGO Names Interim CFO with Industrial and Energy Finance Expertise
Event summary
- CITGO appoints Catarina Collins Serra as Interim CFO, replacing John Zuklic effective June 17, 2026.
- Serra brings global finance experience from Honeywell, SABIC, and GE, with expertise in controllership and business transformation.
- Zuklic departs after nearly six years at CITGO, having led finance during a critical period for the company.
- CITGO operates three refineries with a combined crude capacity of 829,000 barrels per day, ranking as the fifth-largest independent refiner in the U.S.
The big picture
CITGO's appointment of an interim CFO with deep industrial and energy finance experience underscores the company's focus on strengthening financial discipline and operational performance. As one of the largest independent refiners in the U.S., CITGO's leadership transition comes at a time when the refining sector faces evolving market dynamics and regulatory pressures. Serra's background in global controllership and business transformation suggests a strategic emphasis on efficiency and long-term business priorities.
What we're watching
- Leadership Transition
- How Serra's background in industrial and energy finance will shape CITGO's financial strategy and operational performance.
- Financial Discipline
- Whether Serra can sustain and enhance the financial discipline established under Zuklic's tenure.
- Business Transformation
- The pace at which Serra implements business transformation initiatives, given her experience in ERP implementation and process optimization.