MacArthur Executive and Leadership Team

October, 2026

Leadership Overview

MacArthur has 4 executives leading key functions including financial strategy, corporate leadership, distribution operations, and executive management.

Focused on delivering high-quality building materials, MacArthur maintains a century-long commitment to excellence in commercial insulation, roofing, and HVAC distribution across the United States.

Leadership Roles at MacArthur

  • Chief Financial Officer - Michael Szerbat
  • President - Barrett Moen
  • President, Distribution - John Donnelly
  • President - Charles MacArthur
  • Michael Szerbat - Chief Financial Officer

    Michael Szerbat, the Chief Financial Officer at MacArthur, directs all fiscal planning and capital allocation strategies. Overseeing the financial health of the organization, the Chief Financial Officer ensures robust reporting standards for the distribution of commercial insulation and roofing products. This leadership role involves managing complex budgetary requirements while supporting long-term growth initiatives across North American markets. By optimizing cash flow and mitigating operational risks, Michael Szerbat directly impacts the stability of the supply chain. Szerbat maintains rigorous oversight of accounting practices to ensure alignment with corporate objectives. Through precise financial modeling, the Chief Financial Officer provides the necessary data to support strategic investments in HVAC and Millwork sectors. Ultimately, Szerbat secures the fiscal foundation required for sustained market expansion and operational efficiency within the competitive building materials industry.

    Barrett Moen - President

    Barrett Moen, the President at MacArthur, drives the overarching corporate vision and strategic direction for the entire organization. Overseeing high-level business development, the President ensures that the distribution of commercial insulation and residential roofing products meets rigorous quality standards. This leadership role involves coordinating with the Board to refine market positioning and enhance service delivery across regional territories. By fostering a culture of operational excellence, Barrett Moen directly impacts the company's ability to scale effectively in the building materials sector. Moen manages the integration of new product lines, including pre-engineered siding and decking, to maintain a competitive edge. Through consistent engagement with key stakeholders, the President aligns internal resources with evolving customer demands. Ultimately, Moen secures the long-term viability of the enterprise by championing innovation and maintaining strong industry partnerships.
    Barrett Moen

    John Donnelly - President, Distribution

    John Donnelly, the President, Distribution at MacArthur, manages the logistics and supply chain networks essential for delivering commercial insulation and HVAC products. Overseeing regional distribution centers, the President, Distribution ensures seamless inventory management and timely fulfillment for residential and commercial clients. This leadership role involves optimizing warehouse operations and transportation routes to maximize efficiency across the national footprint. By streamlining the movement of Millwork and roofing materials, John Donnelly directly impacts the company's ability to meet fluctuating market demand. Donnelly coordinates with procurement teams to maintain optimal stock levels while reducing overhead costs. Through the implementation of advanced logistics technology, the President, Distribution enhances the reliability of the supply chain. Ultimately, Donnelly secures the operational success of the distribution network by maintaining high standards of service and logistical precision.

    Charles MacArthur - President

    Charles MacArthur, the President at MacArthur, architects the long-term growth strategy and brand legacy of the organization. Overseeing corporate governance and external relations, the President ensures that the distribution of commercial insulation and roofing products remains aligned with the company's historical commitment to quality. This leadership role involves identifying new market opportunities and fostering relationships with key industry partners to expand the reach of HVAC and Millwork offerings. By championing sustainable business practices, Charles MacArthur directly impacts the company's reputation and market influence. MacArthur manages the strategic alignment of internal departments to ensure cohesive execution of corporate goals. Through visionary leadership, the President drives the evolution of the product portfolio to address modern construction needs. Ultimately, MacArthur secures the enduring success of the firm by balancing traditional values with forward-thinking operational strategies.

    Explore Leadership Teams in Home Improvement & Hardware Retail

    Frequently Asked Questions Regarding MacArthur Top Executives and Leadership Team

    Who leads MacArthur?
    MacArthur is led by Michael Szerbat (Chief Financial Officer), along with executives such as Barrett Moen (President) and John Donnelly (President, Distribution).
    Who is part of MacArthur’s executive team?
    The executive team of MacArthur includes leaders such as Michael Szerbat (Chief Financial Officer), Barrett Moen (President), John Donnelly (President, Distribution) and other senior executives.
    How many executives does MacArthur have?
    MacArthur has 4 executives leading key business areas.
    What roles are included in MacArthur’s leadership team?
    The leadership team of MacArthur includes roles such as Chief Financial Officer, President, President, Distribution, President.