County Materials Executive and Leadership Team

July, 2026

Leadership Overview

County Materials has 4 executives leading key functions including people, operations, product development, and strategy.

Driven by a commitment to building communities, County Materials delivers American-made concrete construction and landscape products, serving architects, engineers, contractors, homeowners, and municipalities with a focus on quality and local project support.

Leadership Roles at County Materials

  • President - Tim Sonnentag
  • Pipe and Precast President - Steven Hoesing
  • Chief People Officer - Aimee Therrian
  • Manager, Applications & Analytics - Patrick Metzinger
  • Tim Sonnentag - President

    Tim Sonnentag, the President at County Materials, drives the overarching corporate strategy and operational execution. Sonnentag leads the executive team in advancing the company's mission to build communities through American-made concrete construction and landscape products. This executive position involves significant oversight of market expansion, financial performance, and strategic partnerships, ensuring County Materials remains a leader in its sector. Sonnentag's leadership guides the company's engagement with architects, engineers, contractors, homeowners, and municipalities across the United States. The President's focus includes fostering innovation in product development and maintaining the highest standards of quality across all offerings, from aggregates and sands to ready-mix concrete and precast structures. By steering the company's direction, Tim Sonnentag ensures sustained growth and reinforces County Materials' dedication to community support and project excellence.

    Steven Hoesing - Pipe and Precast President

    Steven Hoesing, the Pipe and Precast President at County Materials, commands the strategic direction and operational excellence for these core product lines. Hoesing oversees the manufacturing, distribution, and market development of concrete pipe and precast structures, critical components for building communities across the United States. This leadership position involves ensuring product quality, driving innovation in design and materials, and managing key client relationships within the construction and municipal sectors. Hoesing's focus extends to optimizing production processes and supply chain logistics to meet the demands of architects, engineers, and contractors. The Pipe and Precast President plays a vital role in expanding market reach and reinforcing County Materials' reputation for reliability and American-made quality. By directing these specialized divisions, Steven Hoesing directly contributes to the company's mission of providing essential construction materials that support infrastructure development and community growth.

    Aimee Therrian - Chief People Officer

    Aimee Therrian, the Chief People Officer at County Materials, directs all human capital strategies and organizational development initiatives. Therrian oversees talent acquisition, employee engagement, and professional development programs, ensuring a robust workforce aligned with the company's mission to build communities. This leadership role focuses on fostering a culture of quality and support, directly impacting employee retention and overall operational effectiveness across the United States. Therrian's strategic direction ensures that County Materials attracts and retains top talent, essential for delivering American-made concrete construction and landscape products. The Chief People Officer's oversight extends to compensation, benefits, and compliance, guaranteeing a supportive and productive environment for all team members. By championing employee well-being and growth, Aimee Therrian reinforces the company's commitment to community support and sustainable business practices.

    Patrick Metzinger - Manager, Applications & Analytics

    Patrick Metzinger, the Manager, Applications & Analytics at County Materials, spearheads the strategic implementation and optimization of data-driven insights. Metzinger directs the development and maintenance of critical business applications and analytical tools, ensuring efficient operations and informed decision-making across the organization. This role is pivotal in translating complex data into actionable strategies that support County Materials' commitment to building communities with American-made products. Metzinger's responsibilities include enhancing system performance, managing data integrity, and identifying opportunities for technological advancement within the concrete construction and landscape product sectors. The Manager, Applications & Analytics ensures that all departments, from product development to client relations, leverage data effectively to meet client needs and uphold quality standards. Through rigorous analysis and application management, Patrick Metzinger contributes directly to the company's operational efficiency and its ability to serve architects, engineers, contractors, homeowners, and municipalities.

    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 Tim Sonnentag (President), along with executives such as Steven Hoesing (Pipe and Precast 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 Tim Sonnentag (President), Steven Hoesing (Pipe and Precast 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 President, Pipe and Precast President, Chief People Officer, Manager, Applications & Analytics.