Weis Markets Executive and Leadership Team

September, 2026

Leadership Overview

Weis Markets has 4 executives leading key functions including corporate strategy, information technology, digital infrastructure, and systems architecture.

Committed to providing quality groceries across the Mid-Atlantic region, Weis Markets maintains a century-long legacy of operational excellence while driving modern retail innovation through a customer-centric approach.

Leadership Roles at Weis Markets

  • President & Chief Executive Office & Chairman of the Board - Jonathan Weis
  • Vice President, Information Technology & Chief Information Officer - Robert Mawyer
  • Senior Vice President & Chief Information Officer - Greg Zeh
  • Senior Vice President, Chief Information Officer - R. Zeh
  • Jonathan Weis - President & Chief Executive Office & Chairman of the Board

    Jonathan Weis, the President & Chief Executive Office & Chairman of the Board at Weis Markets, directs the overarching strategic vision for the supermarket chain. Overseeing the expansion of retail footprints across Pennsylvania, New York, New Jersey, West Virginia, and Maryland, the President & Chief Executive Office & Chairman of the Board ensures alignment between store operations and long-term financial growth. This leadership role involves managing the board of directors to maintain high standards of corporate governance while navigating the competitive grocery landscape. By prioritizing supply chain efficiency and customer satisfaction, Jonathan Weis directly impacts the market position of the organization. The President & Chief Executive Office & Chairman of the Board also evaluates new opportunities for the Superpetz division to diversify revenue streams. Through consistent focus on operational scalability, the executive secures the future stability of the entire retail enterprise.

    Robert Mawyer - Vice President, Information Technology & Chief Information Officer

    Robert Mawyer, the Vice President, Information Technology & Chief Information Officer at Weis Markets, architects the digital transformation of internal retail systems. Managing the integration of enterprise resource planning software, the Vice President, Information Technology & Chief Information Officer ensures seamless data flow between regional distribution centers and individual store locations. This role involves securing sensitive consumer information while optimizing the technical infrastructure supporting the supermarket chain. By implementing advanced analytics tools, Robert Mawyer drives data-driven decision-making across the organization. The Vice President, Information Technology & Chief Information Officer collaborates with executive leadership to modernize point-of-sale hardware, thereby enhancing the checkout experience for shoppers throughout the Mid-Atlantic. Through rigorous oversight of cybersecurity protocols, the executive protects the digital assets of the company, ensuring continuous uptime for critical retail operations and maintaining the integrity of the supply chain network.

    Greg Zeh - Senior Vice President & Chief Information Officer

    Greg Zeh, the Senior Vice President & Chief Information Officer at Weis Markets, leads the development of customer-facing digital platforms and mobile applications. Overseeing the implementation of loyalty program software, the Senior Vice President & Chief Information Officer enhances engagement strategies for shoppers across the regional footprint. This leadership role involves managing the cloud computing environment to support high-volume transaction processing during peak retail periods. By streamlining the digital interface for the Superpetz brand, Greg Zeh improves the omnichannel shopping experience. The Senior Vice President & Chief Information Officer coordinates with marketing teams to leverage consumer insights for personalized promotional campaigns. Through the deployment of scalable software solutions, the executive drives operational efficiency within the IT department. This focus on technological agility ensures the company remains competitive in the evolving grocery sector while supporting the broader mission of providing accessible, high-quality products to diverse communities.
    Greg Zeh

    R. Zeh - Senior Vice President, Chief Information Officer

    R. Zeh, the Senior Vice President, Chief Information Officer at Weis Markets, manages the technical infrastructure for inventory management and logistics tracking. Overseeing the automation of warehouse systems, the Senior Vice President, Chief Information Officer ensures accurate stock levels across all supermarket locations in the Mid-Atlantic. This role involves optimizing the network connectivity between corporate headquarters and regional stores to facilitate real-time reporting. By integrating advanced hardware solutions into the supply chain, R. Zeh improves the speed and reliability of product delivery. The Senior Vice President, Chief Information Officer collaborates with operations managers to reduce waste through predictive maintenance of refrigeration and tracking systems. Through the strategic application of emerging technologies, the executive supports the company's commitment to operational excellence. This focus on backend systems stability allows the organization to maintain consistent service levels, directly contributing to the overall profitability and market reach of the retail chain.

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    Frequently Asked Questions Regarding Weis Markets Top Executives and Leadership Team

    Who leads Weis Markets?
    Weis Markets is led by Jonathan Weis (President & Chief Executive Office & Chairman of the Board), along with executives such as Robert Mawyer (Vice President, Information Technology & Chief Information Officer) and Greg Zeh (Senior Vice President & Chief Information Officer).
    Who is part of Weis Markets’s executive team?
    The executive team of Weis Markets includes leaders such as Jonathan Weis (President & Chief Executive Office & Chairman of the Board), Robert Mawyer (Vice President, Information Technology & Chief Information Officer), Greg Zeh (Senior Vice President & Chief Information Officer) and other senior executives.
    How many executives does Weis Markets have?
    Weis Markets has 4 executives leading key business areas.
    What roles are included in Weis Markets’s leadership team?
    The leadership team of Weis Markets includes roles such as President & Chief Executive Office & Chairman of the Board, Vice President, Information Technology & Chief Information Officer, Senior Vice President & Chief Information Officer, Senior Vice President, Chief Information Officer.