1-800 Radiator & A/C Executive and Leadership Team

September, 2026

Leadership Overview

1-800 Radiator & A/C has 8 executives leading key functions including strategy, financial oversight, franchise development, and operational management.

Focused on delivering high-quality automotive components, 1-800 Radiator & A/C maintains a commitment to efficient distribution and customer satisfaction across the North American automotive aftermarket sector.

Leadership Roles at 1-800 Radiator & A/C

  • Chief Executive Officer - David Gruner
  • President & Chief Executive Officer - Eric Sitterle
  • Chief Financial Officer - Griffin Lonardo
  • Franchise Owner, President - William Magruder
  • President - Gene Synkelma
  • President & Owner - Barry Fritzer
  • President - Andrew Fay
  • President - Justin Smith
  • David Gruner - Chief Executive Officer

    David Gruner, the Chief Executive Officer at 1-800 Radiator & A/C, directs the overarching corporate strategy for the retail sale of radiators and engine parts. Gruner architects long-term growth initiatives while overseeing the expansion of the national supply chain network. By aligning internal resources with market demand, the Chief Executive Officer ensures consistent availability of critical A/C units and cooling components. This leadership role involves constant collaboration with the board to refine business models and enhance competitive positioning within the automotive aftermarket. David Gruner monitors key performance indicators to drive operational efficiency across all regional hubs. Through rigorous analysis of industry trends, Gruner optimizes inventory management systems to support rapid fulfillment. The Chief Executive Officer maintains a focus on scaling the business model to capture additional market share while upholding high standards for product quality and customer service excellence.
    David Gruner

    Eric Sitterle - President & Chief Executive Officer

    Eric Sitterle, the President & Chief Executive Officer at 1-800 Radiator & A/C, manages the daily execution of retail operations and corporate governance. Sitterle drives the implementation of advanced logistics technology to streamline the distribution of automotive parts. Overseeing the integration of new product lines, the President & Chief Executive Officer ensures that the company meets evolving consumer needs for engine cooling and climate control systems. This role requires constant coordination with regional managers to maintain service consistency across the United States. Eric Sitterle evaluates financial health and operational output to identify opportunities for process improvement. By fostering a culture of accountability, Sitterle strengthens the organizational structure. The President & Chief Executive Officer prioritizes the development of robust vendor relationships to secure reliable supply chains. Through strategic oversight, Sitterle ensures that the company remains a leader in the competitive automotive parts retail landscape.
    Eric Sitterle

    Griffin Lonardo - Chief Financial Officer

    Griffin Lonardo, the Chief Financial Officer at 1-800 Radiator & A/C, manages the fiscal health and capital allocation strategies for the organization. Lonardo directs financial planning, budgeting, and reporting processes to ensure long-term stability. Overseeing the financial implications of retail expansion, the Chief Financial Officer evaluates investment opportunities in new inventory and distribution infrastructure. This leadership role involves maintaining rigorous internal controls and ensuring compliance with regulatory standards. Griffin Lonardo collaborates with executive leadership to forecast revenue trends and optimize cost structures across the national network. By analyzing market data, Lonardo provides actionable insights that guide pricing strategies for radiators and A/C units. The Chief Financial Officer monitors cash flow and liquidity to support ongoing operational requirements. Through disciplined financial management, Lonardo secures the resources necessary for the company to maintain a dominant position in the automotive parts market.

    William Magruder - Franchise Owner, President

    William Magruder, the Franchise Owner, President at 1-800 Radiator & A/C, oversees the growth and performance of the franchise network. Magruder directs the recruitment and training of new franchise partners to expand the brand footprint. By implementing standardized operational procedures, the Franchise Owner, President ensures that every location delivers consistent service quality for engine parts and cooling systems. This role involves providing ongoing support to franchisees to maximize local market penetration and profitability. William Magruder monitors regional performance metrics to identify areas for improvement and growth. Through active engagement with the franchise community, Magruder fosters alignment with corporate objectives and brand standards. The Franchise Owner, President manages the relationship between corporate headquarters and individual operators to ensure seamless communication. By driving local marketing initiatives, Magruder strengthens the overall market presence of the company across diverse geographic territories.

    Gene Synkelma - President

    Gene Synkelma, the President at 1-800 Radiator & A/C, focuses on the optimization of internal business processes and operational workflows. Synkelma directs the implementation of efficiency programs designed to reduce lead times for automotive parts delivery. Overseeing the coordination between procurement and sales departments, the President ensures that inventory levels match regional demand patterns. This leadership role involves refining the customer experience through improved service protocols and technical support. Gene Synkelma evaluates operational data to identify bottlenecks in the supply chain and develops solutions to enhance throughput. By fostering cross-departmental collaboration, Synkelma drives the execution of strategic initiatives aimed at increasing market share. The President monitors the performance of key operational teams to ensure alignment with corporate goals. Through continuous process improvement, Synkelma maintains the high standards of reliability that define the company in the automotive aftermarket.

    Barry Fritzer - President & Owner

    Barry Fritzer, the President & Owner at 1-800 Radiator & A/C, provides high-level strategic direction and ownership oversight for the business. Fritzer directs the long-term vision for the company, focusing on sustainable growth and market leadership in the automotive parts sector. Overseeing the development of key partnerships, the President & Owner ensures that the company maintains access to high-quality engine components and cooling systems. This role involves evaluating the competitive landscape to identify emerging opportunities for expansion. Barry Fritzer collaborates with other executives to align operational activities with the overarching corporate mission. By maintaining a focus on customer-centric service, Fritzer drives brand loyalty and repeat business. The President & Owner monitors the overall health of the organization to ensure that resources are allocated effectively. Through decisive leadership, Fritzer secures the company's reputation as a reliable provider of essential automotive parts.
    Barry Fritzer

    Andrew Fay - President

    Andrew Fay, the President at 1-800 Radiator & A/C, manages the strategic development of the company's retail sales channels. Fay directs the expansion of digital and physical sales platforms to reach a broader customer base. Overseeing the integration of e-commerce capabilities, the President ensures that customers have seamless access to the full catalog of radiators and A/C units. This role involves analyzing consumer behavior to tailor product offerings and promotional strategies. Andrew Fay collaborates with the marketing and logistics teams to ensure that sales growth is supported by efficient fulfillment operations. By monitoring sales performance across different regions, Fay identifies trends and adjusts tactics to maximize revenue. The President maintains a focus on enhancing the customer journey from initial inquiry to final delivery. Through strategic sales management, Fay drives the company's growth and strengthens its position in the automotive parts industry.

    Justin Smith - President

    Justin Smith, the President at 1-800 Radiator & A/C, oversees the technical and product development aspects of the business. Smith directs the evaluation and sourcing of new automotive parts to ensure the catalog remains current with vehicle technology. Overseeing the quality assurance processes, the President ensures that all engine parts and cooling systems meet rigorous performance standards. This role involves working closely with manufacturers to maintain product reliability and safety. Justin Smith monitors industry advancements to identify new product categories that align with the company's retail focus. By managing the technical specifications of the inventory, Smith supports the sales team in providing accurate information to customers. The President coordinates with the supply chain team to ensure that high-demand products are always available. Through technical expertise and product management, Smith ensures that the company continues to provide superior solutions for automotive repair and maintenance.

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    Frequently Asked Questions Regarding 1-800 Radiator & A/C Top Executives and Leadership Team

    Who leads 1-800 Radiator & A/C?
    1-800 Radiator & A/C is led by David Gruner (Chief Executive Officer), along with executives such as Eric Sitterle (President & Chief Executive Officer) and Griffin Lonardo (Chief Financial Officer).
    Who is part of 1-800 Radiator & A/C’s executive team?
    The executive team of 1-800 Radiator & A/C includes leaders such as David Gruner (Chief Executive Officer), Eric Sitterle (President & Chief Executive Officer), Griffin Lonardo (Chief Financial Officer) and other senior executives.
    How many executives does 1-800 Radiator & A/C have?
    1-800 Radiator & A/C has 8 executives leading key business areas.
    What roles are included in 1-800 Radiator & A/C’s leadership team?
    The leadership team of 1-800 Radiator & A/C includes roles such as Chief Executive Officer, President & Chief Executive Officer, Chief Financial Officer, Franchise Owner, President, President.