Core-Mark Executive and Leadership Team

August, 2026

Leadership Overview

Core-Mark has 10 executives leading key functions including strategy, technology, financial oversight, and regional operations.

Focused on delivering fresh and broad-line supply solutions to the convenience retail industry, Core-Mark maintains a commitment to operational excellence across North America by optimizing distribution networks for thousands of diverse retail outlets.

Leadership Roles at Core-Mark

  • Chief Executive Officer - Christopher Hobson
  • Senior Vice President and Chief Financial Officer - Leo Korman
  • President - Southern England - Thomas Crytser
  • OpCo President - Thomas Oktavec
  • President, Operating Company (Sacramento) - Jeff Glover
  • OpCo President - Dean Onken
  • Division President - Suzanne McDonald
  • Division President - Chris Molinsky
  • President, Operating Company - Joseph Kaniyamkandathil
  • Chief Technology Officer - Robin Ynes
  • Christopher Hobson - Chief Executive Officer

    Christopher Hobson, the Chief Executive Officer at Core-Mark, directs the overarching corporate strategy and long-term growth initiatives for the organization. Overseeing the entire distribution network across the United States and Canada, the Chief Executive Officer ensures alignment between supply chain capabilities and the evolving needs of 43,000 customer locations. This leadership role involves constant engagement with the Board to refine market positioning within the convenience retail sector. By prioritizing the expansion of fresh and broad-line product offerings, Christopher Hobson drives significant value for convenience store operators and alternative retail outlets. The Chief Executive Officer maintains a focus on operational efficiency, ensuring that the company remains a dominant force in the competitive landscape of food and non-food distribution. Through rigorous oversight of corporate performance, Hobson secures the financial health and market relevance of the enterprise.
    Christopher Hobson

    Leo Korman - Senior Vice President and Chief Financial Officer

    Leo Korman, the Senior Vice President and Chief Financial Officer at Core-Mark, manages the fiscal health and capital allocation strategies for the entire organization. Overseeing financial reporting, budgeting, and risk management, the Senior Vice President and Chief Financial Officer ensures that the company maintains a strong balance sheet while supporting aggressive growth in the convenience retail market. This leadership role involves analyzing market trends to optimize pricing strategies for food and non-food products across the United States and Canada. By maintaining rigorous internal controls, Leo Korman supports the long-term sustainability of the distribution network. The Senior Vice President and Chief Financial Officer works closely with the executive team to evaluate investment opportunities in new technology and infrastructure. Through disciplined financial planning and transparent communication with stakeholders, Korman drives the economic performance necessary to sustain the company's competitive advantage in the retail supply industry.

    Thomas Crytser - President - Southern England

    Thomas Crytser, the President - Southern England at Core-Mark, directs regional operations and market development initiatives within the designated territory. Overseeing the local distribution strategy, the President - Southern England ensures that convenience stores and alternative outlets receive consistent, high-quality service for all product categories. This leadership role involves managing relationships with local retail operators to understand specific market demands and inventory requirements. By optimizing regional logistics, Thomas Crytser improves the efficiency of the supply chain for fresh products, beverages, and general merchandise. The President - Southern England collaborates with corporate leadership to implement national programs at the local level, ensuring brand consistency and operational excellence. Through a focus on customer satisfaction and regional growth, Crytser strengthens the company's footprint in the area, driving revenue and maintaining the high standards expected by the diverse customer base served by the organization.

    Thomas Oktavec - OpCo President

    Thomas Oktavec, the OpCo President at Core-Mark, manages the daily operational performance and service delivery for a specific operating company within the broader distribution network. Overseeing the warehouse and delivery teams, the OpCo President ensures that all food and non-food products reach customer locations with maximum efficiency. This leadership role involves streamlining local inventory management to meet the needs of convenience stores and specialty outlets. By focusing on operational throughput, Thomas Oktavec drives improvements in order fulfillment cycles and service reliability. The OpCo President coordinates with regional leadership to align local activities with the company's overarching mission of providing superior supply solutions. Through the effective management of local resources and personnel, Oktavec ensures that the operating company remains a vital component of the national distribution strategy, consistently meeting the high-volume demands of the convenience retail industry.

    Jeff Glover - President, Operating Company (Sacramento)

    Jeff Glover, the President, Operating Company (Sacramento) at Core-Mark, directs the strategic operations and market expansion efforts within the Sacramento region. Overseeing the local distribution center, the President, Operating Company (Sacramento) ensures that all convenience retail partners receive timely and accurate deliveries of essential products. This leadership role involves cultivating strong relationships with local store operators to identify opportunities for increasing product penetration and service quality. By optimizing local supply chain processes, Jeff Glover enhances the overall efficiency of the distribution network in the area. The President, Operating Company (Sacramento) works to integrate corporate initiatives with local market realities, ensuring that the company remains the preferred supplier for diverse retail outlets. Through a commitment to operational excellence and customer-centric service, Glover drives regional growth and supports the broader organizational goal of maintaining a dominant position in the convenience retail supply market.

    Dean Onken - OpCo President

    Dean Onken, the OpCo President at Core-Mark, leads the strategic execution of distribution services for a key operating company within the organization. Overseeing the management of local logistics and customer service teams, the OpCo President ensures that the supply chain remains responsive to the needs of convenience stores and alternative retail outlets. This leadership role involves optimizing the distribution of fresh products, tobacco, and general merchandise to maximize profitability and customer retention. By implementing lean operational practices, Dean Onken improves the speed and accuracy of order fulfillment. The OpCo President collaborates with other regional leaders to share best practices and drive consistency across the national network. Through a focus on operational discipline and market-specific strategies, Onken ensures that the operating company delivers exceptional value to its customers, contributing directly to the company's reputation as a leader in the convenience retail supply industry.

    Suzanne McDonald - Division President

    Suzanne McDonald, the Division President at Core-Mark, directs the strategic vision and operational performance for a major division within the company. Overseeing multiple distribution centers and regional teams, the Division President ensures that the organization meets the complex supply needs of national and super-regional convenience store operators. This leadership role involves managing large-scale logistics projects and ensuring that the division achieves its revenue and efficiency targets. By fostering a culture of operational excellence, Suzanne McDonald drives the successful implementation of new product lines and service offerings. The Division President works closely with the executive team to align divisional goals with the company's long-term growth strategy. Through the effective coordination of resources and a focus on market-leading service, McDonald ensures that the division remains a critical driver of the company's success in the competitive convenience retail supply sector.

    Chris Molinsky - Division President

    Chris Molinsky, the Division President at Core-Mark, manages the operational scale and strategic direction of a key division within the North American distribution network. Overseeing the integration of new retail partners and the expansion of product categories, the Division President ensures that the division maintains high service levels for diverse customer outlets. This leadership role involves analyzing regional market dynamics to optimize the distribution of food, beverages, and general merchandise. By driving process improvements across the division, Chris Molinsky enhances the overall efficiency of the supply chain. The Division President collaborates with other leaders to ensure that divisional activities support the company's broader mission of providing comprehensive supply solutions. Through a focus on operational agility and customer-focused service, Molinsky strengthens the company's market position and ensures that the division consistently delivers value to its retail partners.

    Joseph Kaniyamkandathil - President, Operating Company

    Joseph Kaniyamkandathil, the President, Operating Company at Core-Mark, directs the operational activities and service delivery for a specific operating company within the organization. Overseeing the local distribution and sales teams, the President, Operating Company ensures that convenience stores and alternative outlets receive reliable and efficient supply solutions. This leadership role involves managing local inventory levels and optimizing delivery routes to meet the specific demands of the customer base. By focusing on operational excellence, Joseph Kaniyamkandathil drives improvements in order fulfillment and customer satisfaction. The President, Operating Company works to align local operations with the company's national strategy, ensuring that the operating company contributes effectively to the overall success of the business. Through a commitment to high-quality service and efficient resource management, Kaniyamkandathil ensures that the operating company remains a vital and productive part of the company's extensive distribution network.

    Robin Ynes - Chief Technology Officer

    Robin Ynes, the Chief Technology Officer at Core-Mark, architects the digital infrastructure required to support complex supply chain logistics and inventory management systems. Overseeing the integration of advanced data analytics, the Chief Technology Officer ensures that distribution centers maintain high levels of accuracy and speed when processing orders for diverse retail partners. This leadership role involves modernizing the technological stack to improve visibility across the North American supply network. By implementing scalable software solutions, Robin Ynes directly impacts the efficiency of product delivery for cigarettes, fresh foods, and general merchandise. The Chief Technology Officer collaborates with other C-suite leaders to align digital transformation efforts with broader business goals. Through the deployment of robust cybersecurity measures and innovative retail technology, Ynes protects the integrity of the company's vast data assets while fostering a culture of continuous technical improvement.

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    Frequently Asked Questions Regarding Core-Mark Top Executives and Leadership Team

    Who leads Core-Mark?
    Core-Mark is led by Christopher Hobson (Chief Executive Officer), along with executives such as Leo Korman (Senior Vice President and Chief Financial Officer) and Thomas Crytser (President - Southern England).
    Who is part of Core-Mark’s executive team?
    The executive team of Core-Mark includes leaders such as Christopher Hobson (Chief Executive Officer), Leo Korman (Senior Vice President and Chief Financial Officer), Thomas Crytser (President - Southern England) and other senior executives.
    How many executives does Core-Mark have?
    Core-Mark has 10 executives leading key business areas.
    What roles are included in Core-Mark’s leadership team?
    The leadership team of Core-Mark includes roles such as Chief Executive Officer, Senior Vice President and Chief Financial Officer, President - Southern England, OpCo President, President, Operating Company (Sacramento).