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

August, 2026

Leadership Overview

1-800 Radiator & A/C has 10 executives leading key functions including strategy, financial oversight, and franchise operations.

Committed to excellence in automotive retail, 1-800 Radiator & A/C delivers high-quality cooling and engine components to customers nationwide. This leadership team maintains a focus on operational efficiency and market expansion.

Leadership Roles at 1-800 Radiator & A/C

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

    David Gruner, the Chief Executive Officer at 1-800 Radiator & A/C, directs the overarching corporate strategy for the automotive parts retail network. Gruner manages the expansion of the supply chain for radiators and A/C units, ensuring consistent inventory availability across North American markets. By aligning departmental goals with long-term revenue targets, the Chief Executive Officer optimizes the distribution model to meet rising consumer demand for engine components. This leadership role involves constant collaboration with regional franchise partners to maintain brand standards and service quality. David Gruner monitors market trends to identify new growth opportunities within the competitive auto parts sector. Through rigorous performance analysis, the Chief Executive Officer drives operational excellence and secures the financial health of the organization. Gruner remains focused on scaling the business while maintaining the high service levels expected by automotive repair shops and individual vehicle owners throughout the country.
    David Gruner

    Eric Sitterle - President & Chief Executive Officer

    Eric Sitterle, the President & Chief Executive Officer at 1-800 Radiator & A/C, architects the high-level vision for the company's retail operations. Sitterle oversees the integration of advanced logistics systems to streamline the delivery of critical car parts, including radiators and engine cooling systems. As the President & Chief Executive Officer, Sitterle coordinates with the board to execute strategic initiatives that enhance market penetration across diverse geographic regions. This role requires constant evaluation of the competitive landscape to ensure the company maintains a dominant position in the automotive aftermarket. Eric Sitterle fosters a culture of efficiency, driving the organization toward sustainable growth and improved customer satisfaction metrics. By prioritizing technological upgrades and supply chain resilience, the President & Chief Executive Officer ensures that the company meets the complex needs of modern automotive repair facilities. Sitterle consistently evaluates operational performance to refine the business model and maximize shareholder value.
    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 enterprise. Lonardo oversees all financial reporting, budgeting, and investment planning related to the retail sale of A/C units and engine parts. As the Chief Financial Officer, Lonardo ensures that the company maintains robust liquidity to support nationwide inventory procurement and logistics expansion. This leadership role involves close coordination with executive peers to align financial resources with operational goals. Griffin Lonardo implements rigorous cost-control measures to improve profit margins across the entire franchise network. By analyzing market data and economic indicators, the Chief Financial Officer provides the insights necessary for informed decision-making at the board level. Lonardo maintains strict compliance with financial regulations while driving initiatives that enhance the long-term economic stability of the organization. Through precise financial modeling, the Chief Financial Officer supports the company's mission to provide reliable automotive solutions.

    Patrick Wohlwend - President

    Patrick Wohlwend, the President at 1-800 Radiator & A/C, directs the internal operational workflows and regional service delivery standards. Wohlwend oversees the implementation of standardized retail processes for A/C units and radiators, ensuring consistency across all company-owned locations. As the President, Wohlwend manages the performance of regional managers to optimize the supply chain and reduce lead times for automotive parts. This leadership role involves developing training programs that empower staff to provide superior technical support to customers. Patrick Wohlwend drives initiatives that improve inventory turnover rates and enhance the overall efficiency of the retail network. By focusing on operational excellence, the President ensures that the company remains the preferred choice for high-quality engine components. Wohlwend collaborates with other executives to align internal processes with the broader corporate strategy. Through continuous process improvement, the President secures the company's reputation for reliability and speed in the competitive automotive aftermarket.

    Justin Smith - President

    Justin Smith, the President at 1-800 Radiator & A/C, leads the strategic development of the company's digital sales channels and e-commerce infrastructure. Smith oversees the integration of online ordering systems that allow customers to quickly source radiators and engine parts. As the President, Smith drives the digital transformation of the retail model, ensuring that the company remains competitive in an increasingly online-focused automotive market. This leadership role involves managing the technical teams responsible for maintaining the platform's reliability and user experience. Justin Smith collaborates with marketing and logistics departments to ensure that digital sales translate into efficient physical deliveries. By optimizing the online customer journey, the President increases market reach and enhances brand visibility across the country. Smith monitors key performance indicators related to digital conversion and customer retention. Through innovative digital strategies, the President ensures that the company adapts to changing consumer behaviors while maintaining its core focus on automotive parts retail.

    Barry Fritzer - President & Owner

    Barry Fritzer, the President & Owner at 1-800 Radiator & A/C, directs the localized franchise growth and community-based market development. Fritzer oversees the expansion of the retail footprint, ensuring that each location maintains the high standards required for selling radiators and A/C units. As the President & Owner, Fritzer manages the relationships with local automotive repair shops to build long-term loyalty and consistent revenue streams. This leadership role involves providing the necessary resources and guidance to franchise operators to ensure their success in regional markets. Barry Fritzer drives initiatives that strengthen the brand's presence in key geographic areas, focusing on customer service and product availability. By leveraging deep industry knowledge, the President & Owner identifies unique opportunities for market penetration and service enhancement. Fritzer remains committed to the company's mission of providing essential automotive parts through a reliable and efficient network. Through hands-on leadership, the President & Owner ensures the continued success of the franchise model.
    Barry Fritzer

    Gene Synkelma - President

    Gene Synkelma, the President at 1-800 Radiator & A/C, manages the procurement and quality assurance protocols for the company's extensive inventory of engine parts. Synkelma oversees the relationships with global suppliers to ensure that all radiators and A/C units meet strict performance standards before reaching the retail market. As the President, Synkelma directs the logistics strategy to maintain optimal stock levels across the national distribution network. This leadership role involves mitigating supply chain risks and negotiating favorable terms with manufacturers to support the company's competitive pricing model. Gene Synkelma drives initiatives that enhance product reliability and reduce return rates, directly impacting customer satisfaction. By focusing on the quality of the supply chain, the President ensures that the company provides dependable solutions to automotive repair professionals. Synkelma collaborates with the executive team to align procurement strategies with overall business growth. Through rigorous oversight, the President maintains the integrity of the company's product offerings.

    Jason Kurzman - President

    Jason Kurzman, the President at 1-800 Radiator & A/C, leads the strategic marketing and brand positioning efforts for the organization. Kurzman oversees the development of campaigns that highlight the company's expertise in radiators, A/C units, and engine components. As the President, Kurzman directs the outreach strategies aimed at increasing market share among professional automotive repair shops and individual consumers. This leadership role involves analyzing market data to refine the brand's messaging and ensure it resonates with the target audience. Jason Kurzman drives initiatives that enhance the company's reputation for speed, reliability, and technical support. By coordinating with regional teams, the President ensures that marketing efforts are effectively supported by local inventory and service capabilities. Kurzman monitors the effectiveness of various advertising channels to optimize the return on marketing investment. Through strategic brand management, the President strengthens the company's position as a leader in the automotive parts retail industry.

    William Magruder - Franchise Owner, President

    William Magruder, the Franchise Owner, President at 1-800 Radiator & A/C, directs the operational success of specific regional territories. Magruder oversees the daily retail activities, including the sale and distribution of radiators and A/C units to local automotive businesses. As the Franchise Owner, President, Magruder manages the local team to ensure that service levels meet the high expectations of the brand. This leadership role involves optimizing local inventory management and logistics to provide rapid delivery to repair shops. William Magruder drives initiatives that foster strong relationships with local clients, ensuring repeat business and long-term growth. By focusing on the specific needs of the regional market, the Franchise Owner, President ensures that the company remains the top choice for automotive parts. Magruder collaborates with corporate leadership to implement best practices and maintain brand consistency. Through dedicated local management, the Franchise Owner, President contributes to the overall success and expansion of the company's retail network.

    Andrew Fay - President

    Andrew Fay, the President at 1-800 Radiator & A/C, manages the technical support and customer service infrastructure for the retail network. Fay oversees the teams responsible for assisting customers with the selection of radiators, A/C units, and engine parts. As the President, Fay directs the implementation of technical training programs that ensure staff members possess the expertise required to solve complex automotive cooling issues. This leadership role involves developing service protocols that prioritize speed and accuracy in every customer interaction. Andrew Fay drives initiatives that improve the overall customer experience, leading to higher retention rates and increased brand loyalty. By focusing on technical excellence, the President ensures that the company provides value beyond simple parts sales. Fay collaborates with other executives to align service standards with the company's broader growth objectives. Through a commitment to superior support, the President maintains the company's reputation as a trusted partner in the automotive aftermarket.

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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 10 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, President, President.