White Castle Executive and Leadership Team

October, 2026

Leadership Overview

White Castle has 4 executives leading key functions including technology, finance, operations, and human resources.

Committed to culinary excellence and accessibility, White Castle maintains a legacy of innovation while delivering consistent dining experiences to customers across the United States through a robust network of restaurants and retail distribution channels.

Leadership Roles at White Castle

  • Chief Financial Officer - Robert Lilienstern
  • Chief Information Officer - Susan Carroll-Boser
  • Chief Operations Officer - Jeff Carper
  • Jefe De Personal - Gaston Moncayo
  • Robert Lilienstern - Chief Financial Officer

    Robert Lilienstern, the Chief Financial Officer at White Castle, manages the fiscal health and capital allocation strategies for the entire restaurant chain. Overseeing financial planning, budgeting, and risk management, the Chief Financial Officer ensures the long-term sustainability of operations across the United States. This leadership role involves analyzing market trends to guide investment in new restaurant locations and retail product expansion. By optimizing cost structures and revenue streams, Robert Lilienstern directly impacts the profitability of the organization. The Chief Financial Officer coordinates with the Board to maintain transparent reporting standards and robust financial controls. Through rigorous oversight of capital expenditures, Lilienstern supports the strategic growth initiatives required to maintain market presence. Ultimately, the Chief Financial Officer drives the financial performance necessary to sustain the company's century-long commitment to quality and value, ensuring that resources remain aligned with the overarching business goals of the enterprise.

    Susan Carroll-Boser - Chief Information Officer

    Susan Carroll-Boser, the Chief Information Officer at White Castle, directs the digital transformation of restaurant systems and retail data infrastructure. Overseeing the integration of point-of-sale technology with supply chain logistics, the Chief Information Officer ensures seamless connectivity across all U.S. locations. This leadership role involves architecting secure cloud environments to support high-volume transaction processing and customer loyalty programs. By modernizing internal software platforms, Susan Carroll-Boser directly impacts the efficiency of restaurant operations and the accuracy of inventory management. The Chief Information Officer collaborates with executive leadership to align technological investments with long-term growth objectives. Through the implementation of advanced analytics, Carroll-Boser optimizes decision-making processes across the entire organization. Ultimately, the Chief Information Officer secures the digital foundation necessary for maintaining competitive advantages in the fast-paced hospitality industry while supporting the broader mission of providing quality service to every customer.

    Jeff Carper - Chief Operations Officer

    Jeff Carper, the Chief Operations Officer at White Castle, directs the daily execution of restaurant services and supply chain logistics across the national footprint. Overseeing regional management teams and quality assurance protocols, the Chief Operations Officer ensures consistent service standards in every location. This leadership role involves streamlining kitchen workflows and optimizing labor productivity to enhance the customer experience. By implementing operational efficiencies, Jeff Carper directly impacts the speed and quality of food delivery. The Chief Operations Officer collaborates with other executives to synchronize restaurant performance with retail product availability. Through the development of standardized training programs, Carper maintains high levels of service excellence across diverse geographic markets. Ultimately, the Chief Operations Officer drives the operational discipline required to uphold the brand reputation, ensuring that every restaurant functions as a high-performing unit within the broader organizational framework of the company.

    Gaston Moncayo - Jefe De Personal

    Gaston Moncayo, the Jefe De Personal at White Castle, directs the human capital strategy and organizational development initiatives for the entire workforce. Overseeing talent acquisition, employee retention, and leadership training, the Jefe De Personal ensures that the company maintains a skilled and motivated team across all U.S. operations. This leadership role involves fostering a culture of inclusivity and professional growth to support the long-term success of the restaurant chain. By designing comprehensive benefits and performance management systems, Gaston Moncayo directly impacts employee engagement and operational stability. The Jefe De Personal collaborates with executive leadership to align workforce capabilities with the evolving needs of the hospitality industry. Through the implementation of strategic staffing models, Moncayo optimizes labor distribution to meet fluctuating demand. Ultimately, the Jefe De Personal secures the human resources necessary to sustain the company's mission, ensuring that every team member contributes effectively to the overall success of the organization.

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    Frequently Asked Questions Regarding White Castle Top Executives and Leadership Team

    Who leads White Castle?
    White Castle is led by Robert Lilienstern (Chief Financial Officer), along with executives such as Susan Carroll-Boser (Chief Information Officer) and Jeff Carper (Chief Operations Officer).
    Who is part of White Castle’s executive team?
    The executive team of White Castle includes leaders such as Robert Lilienstern (Chief Financial Officer), Susan Carroll-Boser (Chief Information Officer), Jeff Carper (Chief Operations Officer) and other senior executives.
    How many executives does White Castle have?
    White Castle has 4 executives leading key business areas.
    What roles are included in White Castle’s leadership team?
    The leadership team of White Castle includes roles such as Chief Financial Officer, Chief Information Officer, Chief Operations Officer, Jefe De Personal.