County Materials Executive and Leadership Team

October, 2026

Leadership Overview

County Materials has 4 executives leading key functions including financial strategy, human capital management, digital analytics, and corporate operations.

Focused on delivering high-quality concrete construction solutions, County Materials maintains a steadfast commitment to building resilient American communities through superior manufacturing standards and dedicated support for local infrastructure projects.

Leadership Roles at County Materials

  • Chief Financial Officer - Bob Stoehr
  • President - Tim Sonnentag
  • Chief People Officer - Aimee Therrian
  • Manager, Applications & Analytics - Patrick Metzinger
  • Bob Stoehr - Chief Financial Officer

    Bob Stoehr, the Chief Financial Officer at County Materials, directs all fiscal planning and capital allocation strategies. Overseeing the financial health of the organization, the Chief Financial Officer ensures robust liquidity to support the manufacturing of concrete pipe, precast structures, and aggregates. This leadership role involves managing complex budgetary requirements across diverse regional production facilities. By optimizing cost structures and investment portfolios, Bob Stoehr directly impacts the long-term stability of the company. The Chief Financial Officer maintains rigorous oversight of accounting practices, ensuring compliance with industry standards while facilitating growth in the competitive construction materials market. Through precise financial modeling and risk assessment, Stoehr secures the necessary resources for ongoing operational expansion. Ultimately, the Chief Financial Officer drives the fiscal discipline required to sustain the company's reputation for quality and reliability in the American construction sector.

    Tim Sonnentag - President

    Tim Sonnentag, the President at County Materials, directs the overarching strategic vision and operational execution for the entire organization. Overseeing the production of concrete pipe, precast structures, and ready-mix concrete, the President ensures that every product meets the highest standards for American-made construction. This leadership role involves coordinating with the executive team to expand market presence among architects, engineers, and homeowners. By championing community-focused initiatives, Tim Sonnentag directly impacts the company's reputation as a reliable partner in local infrastructure development. The President maintains a clear focus on long-term growth, driving innovation in manufacturing processes and product quality. Through decisive leadership, Sonnentag aligns departmental goals with the company's mission to build communities where people live, work, and play. Ultimately, the President secures the company's position as a leader in the construction materials sector by fostering excellence and operational integrity.

    Aimee Therrian - Chief People Officer

    Aimee Therrian, the Chief People Officer at County Materials, architects the human capital strategy to support a workforce dedicated to manufacturing excellence. Overseeing talent acquisition, employee development, and organizational culture, the Chief People Officer ensures alignment between staff capabilities and the production of masonry, ready-mix concrete, and landscape products. This leadership role involves designing comprehensive training programs that prioritize safety and technical proficiency across all manufacturing sites. By fostering an environment of professional growth, Aimee Therrian directly impacts the retention of skilled personnel essential for high-quality output. The Chief People Officer collaborates with executive leadership to implement performance management systems that reward innovation and operational efficiency. Through strategic workforce planning, Therrian addresses the evolving needs of the construction industry. Ultimately, the Chief People Officer cultivates a high-performance culture that empowers the entire organization to meet the demands of architects, engineers, and contractors.

    Patrick Metzinger - Manager, Applications & Analytics

    Patrick Metzinger, the Manager, Applications & Analytics at County Materials, directs the digital infrastructure and data-driven insights necessary for modern manufacturing. Overseeing the integration of advanced software solutions, the Manager, Applications & Analytics ensures seamless data flow between production facilities and administrative offices. This leadership role involves architecting scalable systems that track the distribution of aggregates, sands, and soils to various municipal and residential projects. By leveraging predictive analytics, Patrick Metzinger directly impacts the efficiency of supply chain logistics and inventory management. The Manager, Applications & Analytics collaborates with technical teams to refine digital tools that assist engineers and contractors in selecting the right construction materials. Through continuous improvement of internal applications, Metzinger optimizes operational workflows across the company's broad market reach. Ultimately, the Manager, Applications & Analytics provides the technological foundation required to maintain the company's competitive edge in the building materials industry.

    Explore Leadership Teams in Building Materials

    Frequently Asked Questions Regarding County Materials Top Executives and Leadership Team

    Who leads County Materials?
    County Materials is led by Bob Stoehr (Chief Financial Officer), along with executives such as Tim Sonnentag (President) and Aimee Therrian (Chief People Officer).
    Who is part of County Materials’s executive team?
    The executive team of County Materials includes leaders such as Bob Stoehr (Chief Financial Officer), Tim Sonnentag (President), Aimee Therrian (Chief People Officer) and other senior executives.
    How many executives does County Materials have?
    County Materials has 4 executives leading key business areas.
    What roles are included in County Materials’s leadership team?
    The leadership team of County Materials includes roles such as Chief Financial Officer, President, Chief People Officer, Manager, Applications & Analytics.