Sinclair Executive and Leadership Team

November, 2026

Leadership Overview

Sinclair has 8 executives leading key functions including corporate strategy, revenue generation, information technology, human resources, legal affairs, operational management, regional expansion, and advanced technology.

Focused on delivering high-quality energy solutions, Sinclair maintains a century-long commitment to powering American transportation through innovation, reliable fuel distribution, and a robust network of branded retail stations.

Leadership Roles at Sinclair

  • President - Peter Johnson
  • President (China) - Markel Hubinette
  • Chief of Staff - William Maughlin
  • Chief Revenue Officer - Ryan Moore
  • Vice President & Chief Information Officer - Ramon Grimaldo
  • Executive Vice President & Chief Human Resources Officer - Donald Thompson
  • Chief Legal Officer & Executive Vice President - David Gibber
  • Vice President, Advanced Technology - Sesh Simha
  • Peter Johnson - President

    Peter Johnson, the President at Sinclair, directs the overall strategic vision and operational execution for the company's diverse energy portfolio. Johnson oversees the integration of refining, distribution, and retail segments to ensure a seamless supply chain that serves motorists and commercial clients across the United States. The President drives initiatives focused on modernizing fuel formulations and enhancing engine performance, reflecting a commitment to innovation and customer value. Peter Johnson collaborates with other C-suite leaders to refine the company's market position, ensuring that the brand remains a recognizable and trusted symbol in the energy landscape. By managing high-level partnerships and overseeing capital investments, the President supports the company's growth objectives and long-term financial health. This leadership role involves balancing immediate operational demands with future-oriented strategies, ultimately maintaining the company's status as a cornerstone of the American transportation industry through consistent performance and strategic foresight.

    Markel Hubinette - President (China)

    Markel Hubinette, the President (China) at Sinclair, directs the company's strategic expansion and operational footprint within the Asian market. Hubinette oversees the development of regional partnerships and supply chain logistics to introduce the brand's refined products to new consumer bases. The President (China) monitors local market trends and regulatory environments to ensure that the company's entry into these territories aligns with global quality and safety standards. Markel Hubinette coordinates with the domestic leadership team to leverage the company's century-long expertise in the oil and fuels industry for international growth. By identifying unique opportunities for market penetration, the President (China) drives revenue diversification and strengthens the brand's global presence. This role involves managing cross-cultural business relationships and adapting the company's retail model to suit regional preferences, ultimately expanding the reach of the brand beyond its traditional American base while maintaining the core values of quality and reliability.
    Markel Hubinette

    William Maughlin - Chief of Staff

    William Maughlin, the Chief of Staff at Sinclair, coordinates executive workflows to ensure alignment with the broader energy production goals of the organization. Maughlin manages internal communications and facilitates cross-departmental collaboration to streamline operational efficiency across the refining and distribution segments. By optimizing administrative processes, the Chief of Staff supports the leadership team in executing long-term strategic initiatives that maintain the company's competitive edge in the fuels industry. William Maughlin monitors key performance indicators to provide actionable insights for the executive suite, ensuring that resource allocation remains consistent with corporate objectives. This role involves bridging gaps between various business units to foster a cohesive approach to market challenges. Through rigorous oversight of organizational projects, the Chief of Staff drives the internal momentum necessary for sustained growth within the complex landscape of modern energy markets, ultimately securing the operational stability required for continued success.

    Ryan Moore - Chief Revenue Officer

    Ryan Moore, the Chief Revenue Officer at Sinclair, directs all commercial strategies to maximize profitability across the extensive network of branded fuel stations. Moore oversees pricing models and market expansion efforts to ensure that gasoline and diesel products reach consumers effectively throughout the United States. By analyzing regional demand patterns, the Chief Revenue Officer optimizes supply chain logistics to maintain consistent product availability for commercial clients and motorists. Ryan Moore collaborates with marketing teams to enhance brand visibility, leveraging the iconic dinosaur logo to drive customer loyalty and increase market share. This leadership role involves identifying new revenue streams within the refined products sector to support the overall financial health of the enterprise. Through strategic management of sales channels, Moore ensures that the company remains a dominant force in the energy sector, consistently delivering value to stakeholders while adapting to the evolving needs of the transportation industry.
    Ryan Moore

    Ramon Grimaldo - Vice President & Chief Information Officer

    Ramon Grimaldo, the Vice President & Chief Information Officer at Sinclair, architects the digital infrastructure required to support large-scale refining and retail operations. Grimaldo manages cybersecurity protocols and data analytics platforms to protect critical energy assets while improving operational transparency across the organization. The Vice President & Chief Information Officer implements advanced software solutions that monitor fuel quality and emissions standards, ensuring compliance with contemporary environmental regulations. Ramon Grimaldo leads the digital transformation initiatives that modernize internal systems, allowing for more efficient communication between headquarters and the fifteen hundred branded stations. By integrating sophisticated technology into the supply chain, the Chief Information Officer enhances the reliability of fuel distribution networks. This role involves constant collaboration with other executives to align technological investments with the company's long-term growth strategy, ultimately driving efficiency and innovation throughout the entire energy production and marketing lifecycle.

    Donald Thompson - Executive Vice President & Chief Human Resources Officer

    Donald Thompson, the Executive Vice President & Chief Human Resources Officer at Sinclair, directs talent acquisition and organizational development to support the company's expansive energy operations. Thompson designs comprehensive training programs that ensure staff across the thirty-state network maintain high standards of safety and service excellence. The Executive Vice President & Chief Human Resources Officer fosters a corporate culture centered on innovation and operational integrity, which remains vital for the long-term success of the brand. Donald Thompson oversees compensation structures and employee engagement initiatives to attract top-tier professionals capable of navigating the complexities of the oil and fuels industry. By aligning human capital strategies with business goals, the Chief Human Resources Officer ensures that the workforce remains agile and prepared for future market shifts. This leadership role involves managing labor relations and promoting diversity, which strengthens the company's position as a premier employer within the American energy sector.
    David Gibber, the Chief Legal Officer & Executive Vice President at Sinclair, manages all regulatory compliance and legal risk mitigation for the energy enterprise. Gibber oversees complex contract negotiations and environmental law adherence, ensuring that refining and distribution activities meet stringent federal and state standards. The Chief Legal Officer & Executive Vice President provides critical guidance on corporate governance, protecting the company's assets and reputation across its vast network of fuel stations. David Gibber collaborates with the Board to navigate the legal intricacies of the modern energy landscape, including shifts in emissions regulations and industry-specific legislation. By proactively addressing potential liabilities, the Chief Legal Officer ensures that the organization maintains its operational continuity and market standing. This role involves leading internal investigations and managing external counsel to safeguard the company's interests, ultimately providing the legal framework necessary for sustainable growth and long-term stability in the competitive energy market.
    David Gibber

    Sesh Simha - Vice President, Advanced Technology

    Sesh Simha, the Vice President, Advanced Technology at Sinclair, architects the research and development initiatives focused on next-generation fuel formulations and engine performance enhancements. Simha leads the technical teams responsible for engineering products that meet modern emissions standards while maximizing efficiency for contemporary vehicles. The Vice President, Advanced Technology evaluates emerging energy trends to ensure the company remains at the forefront of innovation within the petroleum sector. Sesh Simha collaborates with refining operations to implement new processing techniques that improve product quality and environmental sustainability. By bridging the gap between laboratory research and commercial application, the Vice President, Advanced Technology ensures that the company's fuel offerings continue to provide superior value to motorists. This role involves managing technical partnerships and overseeing the testing of new additives, ultimately driving the company's commitment to technological advancement and maintaining its competitive advantage in the rapidly evolving energy landscape.

    Frequently Asked Questions Regarding Sinclair Top Executives and Leadership Team

    Who leads Sinclair?
    Sinclair is led by Peter Johnson (President), along with executives such as Markel Hubinette (President (China)) and William Maughlin (Chief of Staff).
    Who is part of Sinclair’s executive team?
    The executive team of Sinclair includes leaders such as Peter Johnson (President), Markel Hubinette (President (China)), William Maughlin (Chief of Staff) and other senior executives.
    How many executives does Sinclair have?
    Sinclair has 8 executives leading key business areas.
    What roles are included in Sinclair’s leadership team?
    The leadership team of Sinclair includes roles such as President, President (China), Chief of Staff, Chief Revenue Officer, Vice President & Chief Information Officer.