Delek US Executive and Leadership Team

Avigal Soreq, the President & Chief Executive Officer at Delek US, directs the overarching strategic vision for the entire downstream energy portfolio. Overseeing complex petroleum refining operations and midstream infrastructure, the President & Chief Executive Officer ensures alignment between market demands and operational output. This leadership role involves constant interaction with the Board to drive long-term shareholder value through disciplined capital allocation. By prioritizing efficiency across all refining assets, Avigal Soreq maintains a competitive edge in the volatile energy sector. The President & Chief Executive Officer manages the integration of renewable fuels into the existing supply chain, fostering innovation within the broader energy distribution network. Through rigorous oversight of corporate performance, the President & Chief Executive Officer secures the financial health of the organization while navigating the evolving regulatory landscape of the United States energy market.

Mark Hobbs, the Chief Financial Officer at Delek US, manages the fiscal architecture and capital structure of the organization. Overseeing financial reporting, treasury functions, and investor relations, the Chief Financial Officer ensures the stability of the balance sheet during large-scale infrastructure investments. This leadership role requires constant collaboration with the executive team to evaluate the profitability of refining and asphalt production assets. By implementing robust risk management frameworks, Mark Hobbs protects the company against market fluctuations in crude oil pricing. The Chief Financial Officer drives cost-optimization initiatives across all business units, enhancing operational margins. Through precise financial planning, the Chief Financial Officer supports the expansion of midstream assets, ensuring that capital deployment aligns with the long-term growth objectives of the company. This fiscal discipline remains central to maintaining the market position of the organization within the competitive downstream energy sector.

Joseph Israel, the Executive Vice President and President, Refining & Renewables at Delek US, directs the technical and operational performance of all refining and renewable fuel assets. Overseeing the daily throughput of crude oil and the production of refined products, the Executive Vice President and President, Refining & Renewables ensures that all facilities operate at peak efficiency. This leadership role involves managing complex supply chains and logistics networks that distribute energy products across the United States. By implementing advanced process technologies, Joseph Israel optimizes yield and reduces operational downtime. The Executive Vice President and President, Refining & Renewables collaborates with engineering teams to integrate sustainable practices into traditional refining workflows. Through rigorous safety protocols and environmental compliance, the Executive Vice President and President, Refining & Renewables maintains the operational integrity of the company, ensuring that the refining division consistently meets the high-volume demands of the national fuel supply chain.

Sam Eljaouhari, the Executive Vice President & Chief Human Resources Officer at Delek US, architects the organizational culture and talent acquisition strategies necessary for industrial success. Overseeing workforce development, compensation structures, and employee engagement, the Executive Vice President & Chief Human Resources Officer ensures that the company attracts top-tier technical talent for refining and logistics operations. This leadership role involves aligning human capital initiatives with the broader business goals of the organization. By fostering a safe and inclusive work environment, Sam Eljaouhari drives productivity across all regional facilities. The Executive Vice President & Chief Human Resources Officer manages complex labor relations and organizational design to support the evolving needs of the energy sector. Through strategic succession planning, the Executive Vice President & Chief Human Resources Officer builds a resilient leadership pipeline, ensuring that the company maintains operational continuity while scaling its renewable fuels and petroleum distribution capabilities.

Jared Serff, the Executive VP, Human Resources & Chief Human Resource Officer at Delek US, drives the implementation of performance management systems and corporate training programs. Overseeing the integration of digital HR tools, the Executive VP, Human Resources & Chief Human Resource Officer ensures that the workforce remains agile and responsive to the demands of the downstream energy industry. This leadership role involves analyzing organizational data to improve retention and operational efficiency across all refinery sites. By championing professional development, Jared Serff empowers employees to master the technical skills required for modern petroleum and renewable fuel production. The Executive VP, Human Resources & Chief Human Resource Officer manages the alignment of corporate values with daily operational practices, fostering a culture of accountability. Through the execution of comprehensive benefits and wellness programs, the Executive VP, Human Resources & Chief Human Resource Officer supports the overall health and productivity of the entire organizational structure.