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

May, 2026

Leadership Overview

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

Driven by a commitment to automotive excellence, 1-800 Radiator & A/C specializes in the retail sale of essential car parts, impacting the automotive aftermarket with its focused product catalog and accessible market presence.

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 - Gene Synkelma
  • President & Owner - Barry Fritzer
  • President - Patrick Wohlwend
  • President - Justin Smith
  • President - Jason Kurzman
  • 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 framework for the company's retail auto parts business. Gruner's leadership focuses on expanding market reach and optimizing the supply chain for A/C units, radiators, and engine components. Overseeing all executive functions, Gruner ensures alignment with the company's mission to provide essential automotive parts to consumers. This executive role involves driving growth initiatives and fostering a culture of efficiency within the organization. David Gruner's strategic direction guides the company's presence in the competitive automotive aftermarket, ensuring sustained operational performance and customer satisfaction. The Chief Executive Officer's responsibilities encompass financial oversight, market analysis, and the implementation of long-term business objectives, all contributing to the company's established position in Benicia, California.
    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 execution in the automotive parts retail sector. Sitterle's mandate includes driving innovation in product sourcing and distribution for A/C units, radiators, and engine parts, ensuring the company maintains a competitive edge. This leadership position involves close collaboration with department heads to achieve key performance indicators and expand market share. Eric Sitterle's focus extends to enhancing customer experience and optimizing internal processes to support the company's growth objectives. The President & Chief Executive Officer's role is critical in navigating market dynamics and ensuring the company's financial health and operational efficiency. Sitterle's executive oversight guides the company's expansion efforts and reinforces its commitment to providing quality auto parts from its Benicia, California base.
    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 company's retail auto parts business. Lonardo's responsibilities include overseeing budgeting, financial planning, and risk management, ensuring the fiscal health of the organization. This executive role involves analyzing financial data to support strategic decision-making and optimize profitability for A/C units, radiators, and engine parts sales. Griffin Lonardo works closely with other C-suite executives to align financial objectives with overall business goals. The Chief Financial Officer's expertise is vital in securing funding, managing investments, and ensuring compliance with financial regulations. Lonardo's leadership drives financial discipline and supports the company's growth initiatives from its headquarters in Benicia, California.

    Gene Synkelma - President

    Gene Synkelma, the President at 1-800 Radiator & A/C, directs operational strategies and business development for the company's retail auto parts division. Synkelma's leadership focuses on enhancing the efficiency of sales channels for A/C units, radiators, and engine parts, ensuring seamless customer transactions. This executive position involves fostering strong relationships with suppliers and managing key operational metrics to drive performance. Gene Synkelma's oversight extends to implementing best practices across various departments, contributing to the company's overall market competitiveness. The President's role is crucial in translating strategic objectives into actionable operational plans. Synkelma's guidance supports the company's mission to provide accessible and reliable automotive components from its base in Benicia, California.

    Barry Fritzer - President & Owner

    Barry Fritzer, the President & Owner at 1-800 Radiator & A/C, provides executive leadership and strategic ownership for the company's specialized retail auto parts operations. Fritzer's vision guides the company's focus on A/C units, radiators, and engine parts, ensuring product quality and market relevance. This dual role involves overseeing all aspects of the business, from financial performance to operational execution, with a direct impact on company direction. Barry Fritzer's commitment as owner ensures a long-term perspective on business growth and sustainability. The President & Owner's responsibilities encompass strategic planning, market positioning, and fostering a culture of excellence. Fritzer's leadership drives the company's success and reinforces its standing in the automotive aftermarket from its Benicia, California location.
    Barry Fritzer

    Patrick Wohlwend - President

    Patrick Wohlwend, the President at 1-800 Radiator & A/C, leads strategic initiatives and operational management within the company's automotive parts retail segment. Wohlwend's focus is on optimizing the distribution and sales of critical components such as A/C units, radiators, and engine parts, ensuring market responsiveness. This executive role involves driving efficiency across operational departments and enhancing the company's service delivery. Patrick Wohlwend collaborates with leadership teams to implement growth strategies and maintain high standards of product availability. The President's responsibilities are key to aligning daily operations with the company's broader business objectives. Wohlwend's leadership contributes to the company's established reputation for providing essential auto parts from its Benicia, California headquarters.

    Justin Smith - President

    Justin Smith, the President at 1-800 Radiator & A/C, directs key operational functions and strategic development for the company's specialized retail auto parts business. Smith's leadership emphasizes enhancing the procurement and sales processes for A/C units, radiators, and engine parts, ensuring competitive pricing and product availability. This executive position involves overseeing departmental performance and driving initiatives that improve customer satisfaction. Justin Smith works to align operational strategies with the company's overall market objectives. The President's role is integral to maintaining the company's operational agility and market presence. Smith's guidance supports the company's mission to serve the automotive aftermarket effectively from its Benicia, California base.

    Jason Kurzman - President

    Jason Kurzman, the President at 1-800 Radiator & A/C, spearheads operational excellence and strategic growth within the company's automotive parts retail sector. Kurzman's leadership focuses on streamlining the distribution and sales of essential components like A/C units, radiators, and engine parts, ensuring efficient market penetration. This executive role involves managing cross-functional teams to achieve performance targets and enhance service delivery. Jason Kurzman collaborates with stakeholders to drive innovation and maintain the company's competitive advantage. The President's responsibilities are critical in executing business plans and fostering operational efficiency. Kurzman's direction supports the company's commitment to providing quality auto parts from its Benicia, California location.

    Andrew Fay - President

    Andrew Fay, the President at 1-800 Radiator & A/C, leads strategic planning and operational oversight for the company's specialized retail auto parts business. Fay's mandate includes optimizing the supply chain and sales strategies for A/C units, radiators, and engine parts, ensuring consistent product availability and customer satisfaction. This executive position involves driving operational improvements and fostering collaboration across departments. Andrew Fay works to align business objectives with market demands, contributing to the company's sustained growth. The President's role is vital in executing strategic initiatives and maintaining operational integrity. Fay's leadership supports the company's mission to be a leading provider of automotive components from its Benicia, California headquarters.

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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 & Owner.