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

June, 2026

Leadership Overview

1-800 Radiator & A/C has 9 executives leading key functions including strategy, finance, and operations.

Dedicated to providing essential automotive parts, 1-800 Radiator & A/C drives market leadership through a commitment to customer service and product availability, impacting the 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
  • President - Justin Smith
  • President - Patrick Wohlwend
  • President - Gene Synkelma
  • President - Jason Kurzman
  • President & Owner - Barry Fritzer
  • President - Andrew Fay
  • David Gruner - Chief Executive Officer

    David Gruner, the Chief Executive Officer at 1-800 Radiator & A/C, directs the overarching strategic vision and operational execution for the company's retail automotive parts business. Gruner oversees the expansion of product lines, focusing on A/C units, radiators, and critical engine components, ensuring alignment with market demand and company growth objectives. This leadership role involves driving initiatives that enhance customer accessibility to essential car parts, leveraging the company's established presence in Benicia, California. David Gruner's strategic direction ensures the company maintains its competitive edge in the automotive aftermarket, focusing on efficient supply chain management and robust sales channel development. The Chief Executive Officer's mandate includes fostering innovation in product sourcing and distribution to meet evolving consumer needs across North America.
    David Gruner

    Eric Sitterle - President & Chief Executive Officer

    Eric Sitterle, the President & Chief Executive Officer at 1-800 Radiator & A/C, spearheads the company's strategic direction and operational management, guiding the retail sale of automotive parts. Sitterle's responsibilities encompass driving growth in key product categories, including A/C units and radiators, while ensuring efficient operations from the Benicia, California base. This executive guides the company's market penetration strategies, focusing on expanding reach and enhancing customer service across its retail network. Eric Sitterle's leadership ensures the company's continued success in supplying vital engine parts and cooling systems to the automotive aftermarket. The President & Chief Executive Officer's focus remains on optimizing inventory management and strengthening supplier relationships to maintain product availability and competitive pricing.
    Eric Sitterle

    Griffin Lonardo - Chief Financial Officer

    Griffin Lonardo, the Chief Financial Officer at 1-800 Radiator & A/C, manages all financial operations and fiscal strategy for the automotive parts retail company. Lonardo oversees budgeting, financial planning, and analysis, ensuring the fiscal health and profitability of the organization based in Benicia, California. This role involves managing capital allocation, optimizing financial performance, and mitigating financial risks associated with inventory and market fluctuations. Griffin Lonardo's expertise is critical in supporting the company's expansion efforts and maintaining robust financial controls across all retail channels. The Chief Financial Officer's purview includes investor relations and ensuring compliance with all financial regulations, directly impacting the company's long-term stability and growth trajectory.

    Justin Smith - President

    Justin Smith, the President at 1-800 Radiator & A/C, directs operational strategies for the company's retail automotive parts business, focusing on A/C units and radiators. Smith oversees the day-to-day management of sales channels and customer service operations, ensuring efficient product delivery from the Benicia, California headquarters. This leadership position involves driving initiatives to enhance market presence and customer satisfaction within the automotive aftermarket sector. Justin Smith's focus is on optimizing inventory turnover and streamlining logistics to meet the demands of a broad customer base. The President's role is integral to maintaining the company's reputation for reliability and product availability in the competitive car parts market.

    Patrick Wohlwend - President

    Patrick Wohlwend, the President at 1-800 Radiator & A/C, leads the strategic execution of sales and distribution for automotive parts, including radiators and engine components. Wohlwend directs efforts to expand the company's market share and enhance operational efficiency across its retail network. This executive role involves fostering strong relationships with suppliers and ensuring the consistent availability of critical car parts for customers. Patrick Wohlwend's leadership is focused on driving revenue growth and optimizing the supply chain to support the company's mission of providing essential automotive solutions. The President's oversight ensures that the company remains a key player in the automotive aftermarket, adapting to industry trends and customer needs.

    Gene Synkelma - President

    Gene Synkelma, the President at 1-800 Radiator & A/C, oversees the strategic direction and operational management of the company's retail automotive parts sales. Synkelma guides the expansion of product offerings, particularly in A/C units and radiators, ensuring alignment with market demands and customer requirements. This leadership role involves driving initiatives to enhance the customer experience and streamline distribution processes from the company's base in Benicia, California. Gene Synkelma's focus is on optimizing inventory levels and strengthening supplier partnerships to maintain competitive pricing and product availability. The President's mandate includes fostering a culture of excellence in service and product quality within the automotive aftermarket.

    Jason Kurzman - President

    Jason Kurzman, the President at 1-800 Radiator & A/C, directs the company's operational strategies and market development for its range of automotive parts. Kurzman focuses on enhancing the retail experience for customers seeking A/C units, radiators, and engine parts, ensuring efficient service delivery. This executive role involves driving initiatives to expand the company's footprint and strengthen its position within the automotive aftermarket. Jason Kurzman's leadership emphasizes optimizing supply chain logistics and inventory management to meet diverse customer needs effectively. The President's objective is to foster sustained growth and operational excellence, reinforcing the company's commitment to providing essential car parts across its service areas.

    Barry Fritzer - President & Owner

    Barry Fritzer, the President & Owner at 1-800 Radiator & A/C, provides executive leadership and ownership oversight for the company's specialized retail of automotive parts. Fritzer guides the strategic vision for the sale of A/C units, radiators, and engine components, ensuring the company's market competitiveness. This role involves driving operational excellence and fostering a customer-centric approach across all business functions. Barry Fritzer's ownership perspective ensures a long-term commitment to product quality and service reliability within the automotive aftermarket. The President & Owner's focus remains on sustainable growth and maintaining the company's strong reputation for providing essential car parts.
    Barry Fritzer

    Andrew Fay - President

    Andrew Fay, the President at 1-800 Radiator & A/C, leads the strategic execution and operational management of the company's automotive parts retail business. Fay directs initiatives focused on expanding the availability of A/C units, radiators, and other engine parts, ensuring customer satisfaction. This executive role involves optimizing sales processes and supply chain efficiency to meet market demands effectively. Andrew Fay's leadership is dedicated to enhancing the company's market position and driving revenue growth within the automotive aftermarket sector. The President's objective is to ensure the consistent delivery of high-quality car parts and exceptional service to a broad customer base.

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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 9 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.