Johnstone Supply Executive and Leadership Team

Tina Mutz, the Chief Executive Officer - White Plains, NY at Johnstone Supply, drives strategic growth and operational excellence within the Northeast regional market. Overseeing the distribution of HVACR equipment and parts, the Chief Executive Officer - White Plains, NY ensures that local contractors receive superior service and access to hard-to-find components. This leadership role involves managing high-level partnerships with major brands to maintain a competitive edge in the wholesale sector. By refining local supply chain logistics, Tina Mutz directly impacts the efficiency of contractor workflows across the region. Furthermore, Mutz coordinates with corporate leadership to implement standardized technology solutions that simplify the sourcing process for professional clients. Through consistent focus on market expansion and service quality, the Chief Executive Officer - White Plains, NY strengthens the brand presence and reinforces the commitment to providing the most comprehensive inventory in the industry.

Robert Hollasch, the Chief Financial Officer at Johnstone Supply, directs all fiscal planning and capital allocation strategies. Overseeing the financial health of the wholesale distribution network, the Chief Financial Officer ensures robust liquidity to support the procurement of extensive HVACR equipment inventories. This leadership role involves managing complex budgetary frameworks that allow for the continuous expansion of genuine OEM parts availability across North American markets. By optimizing cost structures and financial reporting, Robert Hollasch directly impacts the long-term stability of the organization. Furthermore, Hollasch collaborates with regional leadership to align investment priorities with the evolving needs of professional contractors. Through disciplined oversight of fiscal operations, the Chief Financial Officer secures the resources necessary for maintaining the industry-leading selection of hardware and technology that defines the company's market position.

Mike Duncan, the President (Greenville) at Johnstone Supply, manages regional operations and market penetration strategies within the Southeast territory. Overseeing the distribution of HVACR equipment and genuine OEM parts, the President (Greenville) ensures that local contractors have immediate access to the necessary components for complex installations. This leadership role involves optimizing inventory management systems to facilitate the rapid sourcing of hard-to-find parts. By driving regional sales growth, Mike Duncan directly impacts the company's overall market share and service reliability. Furthermore, Duncan collaborates with other regional presidents to share best practices regarding supply chain logistics and contractor support. Through the strategic deployment of resources and a focus on maintaining the best brands in the industry, the President (Greenville) ensures that the regional branch consistently meets the high standards expected by professional HVACR contractors throughout the area.

Raj Hiremath, the President (Arizona, Nevada & Mississippi) at Johnstone Supply, directs multi-state operations and strategic business development across the Western and Southern regions. Overseeing the distribution of HVACR equipment and parts, the President (Arizona, Nevada & Mississippi) ensures that professional contractors receive consistent, high-quality service across diverse geographic markets. This leadership role involves managing complex supply chain networks to guarantee the availability of genuine OEM components for nearly every major brand. By streamlining regional procurement processes, Raj Hiremath directly impacts the operational efficiency of local contractor businesses. Furthermore, Hiremath coordinates with corporate teams to integrate advanced technology solutions that simplify the sourcing of hard-to-find parts. Through a dedicated focus on market expansion and service excellence, the President (Arizona, Nevada & Mississippi) strengthens the company's position as the premier wholesale distributor for HVACR professionals in these key territories.

Tim Cameron, the President (Savannah) at Johnstone Supply, leads regional distribution efforts and contractor engagement initiatives within the coastal market. Overseeing the inventory of HVACR equipment and genuine OEM parts, the President (Savannah) ensures that local professionals have the tools required for successful project completion. This leadership role involves managing local warehouse operations to maintain an extensive selection of components for major brands. By optimizing the local supply chain, Tim Cameron directly impacts the speed and reliability of parts delivery for contractors. Furthermore, Cameron works to enhance the technical support capabilities of the regional team, ensuring that clients receive expert guidance on complex equipment needs. Through a commitment to service excellence and inventory depth, the President (Savannah) drives regional growth and reinforces the company's reputation as the primary source for HVACR solutions in the Savannah area.

Greg Grimme, the President & Part Owner at Johnstone Supply, provides high-level strategic direction and governance for the organization. Overseeing the long-term vision of the wholesale distribution business, the President & Part Owner ensures that the company maintains its industry-leading selection of HVACR equipment and genuine OEM parts. This leadership role involves balancing operational growth with the preservation of the company's core values and commitment to professional contractors. By guiding major investment decisions, Greg Grimme directly impacts the company's ability to scale its technology and inventory capabilities. Furthermore, Grimme collaborates with other executives to ensure alignment across all regional operations. Through a focus on sustainable growth and market leadership, the President & Part Owner secures the future of the organization while continuing to provide the essential components and support that HVACR contractors rely on for their daily operations.

Justin Radke, the President, Integrator (The Heartland Group) at Johnstone Supply, manages the integration of regional business units and operational workflows within the central territory. Overseeing the alignment of supply chain processes, the President, Integrator (The Heartland Group) ensures that the distribution of HVACR equipment and parts remains seamless across the Heartland region. This leadership role involves harmonizing inventory management systems to support the sourcing of genuine OEM components for professional contractors. By driving cross-functional collaboration, Justin Radke directly impacts the efficiency and service quality of the regional network. Furthermore, Radke implements standardized operational procedures that allow for the rapid scaling of services to meet contractor demand. Through a focus on integration and process optimization, the President, Integrator (The Heartland Group) strengthens the company's market presence and ensures that contractors have consistent access to the best brands and technology available.

Stacy Cardwell, the Chief Human Resources Officer at Johnstone Supply, architects talent acquisition and organizational development strategies across the entire enterprise. Overseeing the cultivation of a high-performance workforce, the Chief Human Resources Officer ensures that staff possess the technical expertise required to support professional HVACR contractors. This leadership role involves designing comprehensive training programs that focus on product knowledge and customer service excellence. By fostering a culture of professional growth, Stacy Cardwell directly impacts the company's ability to maintain its reputation for superior technical support. Furthermore, Cardwell aligns human capital initiatives with the broader business goal of expanding the industry's largest selection of equipment and parts. Through the implementation of robust performance management systems, the Chief Human Resources Officer drives operational efficiency and ensures that the organization remains well-positioned to meet the complex demands of the modern HVACR market.