Johnstone Supply Executive and Leadership Team

Tina Mutz, the Chief Executive Officer - White Plains, NY at Johnstone Supply, directs regional operations and strategic market expansion. Overseeing the service delivery for professional HVACR contractors in the Northeast, the Chief Executive Officer - White Plains, NY ensures that local inventory levels meet the high demand for genuine OEM parts. This leadership role involves coordinating with corporate teams to integrate new technology and equipment brands into the regional catalog. By streamlining the sourcing process for hard-to-find components, Tina Mutz directly impacts the operational efficiency of local contractors. Mutz manages the regional business model to ensure that the company maintains its reputation as the premier wholesale distributor in the area. Through consistent focus on customer satisfaction and supply chain reliability, the Chief Executive Officer - White Plains, NY drives growth and strengthens the market position of the organization within the competitive HVACR sector.

Robert Hollasch, the Chief Financial Officer at Johnstone Supply, directs all fiscal planning and capital allocation strategies. Overseeing the financial health of the organization, the Chief Financial Officer ensures that investments in inventory and supply chain infrastructure align with long-term growth objectives. This leadership role involves managing complex budgetary requirements for a wholesale distributor serving professional HVACR contractors. By optimizing cash flow and monitoring market trends, Robert Hollasch directly impacts the ability of the company to maintain the largest selection of equipment and genuine OEM parts. Hollasch secures the necessary resources to support the expansion of product lines, ensuring that contractors always have access to the best brands and technology. Through rigorous financial oversight, the Chief Financial Officer maintains the stability required to navigate the competitive landscape of the HVACR distribution market while supporting the broader mission of operational excellence.

Tim Cameron, the President (Savannah) at Johnstone Supply, directs regional distribution operations and contractor support services. Overseeing the supply chain logistics for the Savannah market, the President (Savannah) ensures that professional HVACR contractors receive timely access to the largest selection of equipment and genuine OEM parts. This leadership role involves managing local inventory accuracy and cross-referencing capabilities to simplify the sourcing of complex components. By optimizing regional warehouse performance, Tim Cameron directly impacts the ability of the company to meet the immediate needs of professional clients. Cameron coordinates with broader corporate initiatives to ensure that the latest technology and brands remain available to local contractors. Through diligent management of regional assets, the President (Savannah) maintains high standards of service and reliability, ensuring that the organization remains the preferred partner for HVACR professionals throughout the region.

Todd Bridwell, the President, The Grimme Group at Johnstone Supply, directs specialized distribution strategies and operational excellence within the group. Overseeing the integration of equipment and parts, the President, The Grimme Group ensures that professional HVACR contractors receive comprehensive support for their projects. This leadership role involves managing the procurement of major brands and maintaining an extensive cross-reference database to facilitate the sourcing of hard-to-find parts. By driving efficiency in the supply chain, Todd Bridwell directly impacts the overall productivity of the contractors served by the group. Bridwell manages the alignment of regional inventory with the specific technical requirements of the HVACR industry. Through strategic oversight of the group operations, the President, The Grimme Group ensures that the company continues to provide the best technology and equipment, thereby supporting the success of professional contractors across the entire operational footprint.

Gregory Grimme, the President & Part Owner at Johnstone Supply, directs the overarching strategic vision and ownership interests of the organization. Overseeing the long-term growth and market impact, the President & Part Owner ensures that the company maintains its status as the leading wholesale distributor for professional HVACR contractors. This leadership role involves evaluating new business opportunities and ensuring that the inventory of equipment and genuine OEM parts remains the most comprehensive in the industry. By fostering relationships with major brands and technology providers, Gregory Grimme directly impacts the competitive advantage of the company. Grimme manages the balance between operational scaling and maintaining the high service standards expected by professional contractors. Through active ownership and strategic guidance, the President & Part Owner secures the future of the organization, ensuring that the company continues to provide the essential tools and parts required for successful HVACR installations.

Raj Hiremath, the President (Arizona, Nevada & Mississippi) at Johnstone Supply, directs regional market operations and contractor engagement strategies. Overseeing the distribution network across these states, the President (Arizona, Nevada & Mississippi) ensures that professional HVACR contractors have consistent access to the largest selection of equipment and genuine OEM parts. This leadership role involves managing regional inventory levels and implementing technology solutions that make sourcing hard-to-find parts easy for local clients. By optimizing the supply chain for these specific markets, Raj Hiremath directly impacts the operational success of contractors. Hiremath coordinates with corporate leadership to ensure that the latest brands and technology are available to meet regional demand. Through focused management of regional assets, the President (Arizona, Nevada & Mississippi) maintains the reputation of the company as a reliable partner for HVACR professionals, ensuring that the organization remains the top choice for equipment and parts.

Justin Radke, the President, Integrator (The Heartland Group) at Johnstone Supply, directs the integration of operational systems and distribution workflows. Overseeing the efficiency of the group, the President, Integrator (The Heartland Group) ensures that professional HVACR contractors receive seamless service and access to the largest selection of equipment and genuine OEM parts. This leadership role involves managing the technical infrastructure that supports the sourcing of hard-to-find parts and the cross-referencing of major brands. By streamlining internal processes, Justin Radke directly impacts the speed and reliability of the supply chain. Radke manages the alignment of group operations with the broader mission of the company to provide the best technology to contractors. Through strategic integration of resources, the President, Integrator (The Heartland Group) ensures that the organization maintains its competitive edge, providing the necessary tools and parts to support the success of HVACR professionals.

Benjamin Brasseur, the President, The Wines Group at Johnstone Supply, directs regional distribution and contractor support initiatives. Overseeing the operations of the group, the President, The Wines Group ensures that professional HVACR contractors have access to an extensive inventory of equipment and genuine OEM parts. This leadership role involves managing the sourcing of hard-to-find components and maintaining a robust cross-reference system to assist contractors in their daily work. By focusing on the availability of the best brands and technology, Benjamin Brasseur directly impacts the ability of the company to serve the needs of the HVACR industry. Brasseur manages the regional business strategy to ensure that the group remains a leader in the wholesale distribution market. Through consistent attention to operational detail, the President, The Wines Group supports the growth of the company and ensures that contractors receive the high-quality service required to complete their projects effectively.

Mike Duncan, the President (Greenville) at Johnstone Supply, directs regional distribution and contractor support services. Overseeing the operations in the Greenville market, the President (Greenville) ensures that professional HVACR contractors have access to the largest selection of equipment and genuine OEM parts. This leadership role involves managing local inventory and utilizing advanced cross-referencing tools to simplify the sourcing of hard-to-find parts. By optimizing the regional supply chain, Mike Duncan directly impacts the operational efficiency of local contractors. Duncan coordinates with corporate teams to ensure that the latest technology and brands are available to meet the specific needs of the region. Through diligent management of regional resources, the President (Greenville) maintains the high standards of service that define the company, ensuring that the organization remains the preferred partner for HVACR professionals and continues to provide the essential equipment needed for successful installations.

Stacy Cardwell, the Chief Human Resources Officer at Johnstone Supply, directs talent acquisition and organizational development initiatives. Overseeing the workforce strategy, the Chief Human Resources Officer ensures that the company attracts and retains top-tier professionals capable of supporting the complex needs of HVACR contractors. This leadership role involves building a culture of technical expertise and customer service excellence across the entire distribution network. By implementing training programs focused on product knowledge and supply chain efficiency, Stacy Cardwell directly impacts the quality of service provided to professional clients. Cardwell manages the alignment of human capital with the evolving demands of the wholesale industry, ensuring that the organization remains agile in a rapidly changing market. Through strategic workforce planning, the Chief Human Resources Officer fosters an environment where employees effectively source hard-to-find parts and provide superior technical support to contractors nationwide.