Johnstone Supply Executive and Leadership Team

Tina Mutz, the Chief Executive Officer - White Plains, NY at Johnstone Supply, architects the strategic vision for the Northeast regional operations. Overseeing the distribution network, the Chief Executive Officer - White Plains, NY ensures seamless integration of equipment sourcing and contractor support services. This leadership role involves driving market expansion and fostering relationships with professional HVACR contractors to solidify the brand presence. By aligning local operational goals with the broader corporate mission, Tina Mutz directly impacts the efficiency of the supply chain in the region. Mutz manages high-level partnerships with major equipment manufacturers to guarantee the availability of hard-to-find parts. Through consistent focus on service quality and technical support, the Chief Executive Officer - White Plains, NY maintains the company's reputation as the primary resource for HVACR professionals seeking reliable, high-performance solutions for complex installation and repair projects.

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 robust liquidity to support the massive inventory requirements of the wholesale HVACR distribution model. This leadership role involves managing complex budgetary frameworks and optimizing cost structures to maintain competitive pricing for professional contractors. By analyzing market trends and supply chain expenditures, Robert Hollasch directly impacts the long-term profitability of the company. Hollasch secures financial stability through rigorous auditing and strategic investment in technology, ensuring the business remains the premier source for genuine OEM parts. Through precise fiscal oversight, the Chief Financial Officer enables the company to scale operations effectively while meeting the evolving demands of the HVACR industry across diverse regional markets.

Justin Radke, the President, Integrator (The Heartland Group) at Johnstone Supply, directs the operational integration of the Heartland regional distribution network. Overseeing the alignment of supply chain logistics, the President, Integrator (The Heartland Group) ensures that professional HVACR contractors receive consistent access to the industry's largest inventory of equipment. This leadership role involves streamlining procurement processes and enhancing the cross-reference capabilities that make sourcing parts efficient. By optimizing regional warehouse operations, Justin Radke directly impacts the speed and reliability of service delivery. Radke manages cross-functional teams to ensure that the latest technology and brands remain available to meet contractor needs. Through rigorous operational management, the President, Integrator (The Heartland Group) supports the company's mission to provide comprehensive solutions for HVACR professionals, ensuring that the Heartland region maintains high standards of service and technical support for every major brand.

Timothy Cameron, the President (Savannah) at Johnstone Supply, directs the strategic growth and operational performance of the Savannah regional market. Overseeing the local distribution infrastructure, the President (Savannah) ensures that professional HVACR contractors have immediate access to genuine OEM parts and essential equipment. This leadership role involves managing local inventory levels and refining the sourcing strategies that define the company's market advantage. By fostering strong relationships with regional contractors, Timothy Cameron directly impacts the company's ability to meet the specific technical demands of the area. Cameron coordinates with corporate leadership to implement new technology and expand the product catalog to include the latest industry innovations. Through dedicated focus on operational efficiency, the President (Savannah) ensures that the Savannah branch remains a critical hub for HVACR professionals, providing the tools and parts necessary to complete complex installations and repairs with precision.

Gregory Grimme, the President & Part Owner at Johnstone Supply, directs the overarching business strategy and long-term investment initiatives for the organization. Overseeing the expansion of the distribution network, the President & Part Owner ensures that the company maintains its position as the industry leader in HVACR equipment and genuine OEM parts. This leadership role involves evaluating market opportunities and driving the adoption of advanced sourcing technologies to simplify the contractor experience. By balancing operational growth with financial sustainability, Gregory Grimme directly impacts the company's competitive standing. Grimme manages high-level stakeholder relationships and ensures that the corporate vision remains aligned with the evolving needs of professional contractors. Through strategic decision-making, the President & Part Owner secures the resources necessary to expand the product selection, ensuring that the company continues to provide the best brands and technology to support the success of HVACR professionals across the country.

Steve Porter, the President at Johnstone Supply, directs the daily operations and strategic execution of the company's national distribution model. Overseeing the core business functions, the President ensures that the organization consistently delivers the largest selection of equipment and genuine OEM parts to professional HVACR contractors. This leadership role involves coordinating between regional branches to maintain uniform service standards and inventory availability. By driving initiatives that simplify the sourcing of hard-to-find parts, Steve Porter directly impacts the operational efficiency of contractors in the field. Porter manages the implementation of new technology and product lines to ensure the company remains at the forefront of the HVACR industry. Through consistent leadership, the President supports the company's mission to provide the best brands and technology, ensuring that every contractor has the necessary resources to complete jobs effectively and maintain high performance standards.

Todd Bridwell, the President, The Grimme Group at Johnstone Supply, directs the operational strategy and market development for the Grimme Group division. Overseeing the regional distribution of HVACR equipment, the President, The Grimme Group ensures that professional contractors have access to a comprehensive inventory of genuine OEM parts. This leadership role involves managing the supply chain and refining the cross-reference systems that make sourcing parts easy for technicians. By focusing on regional market penetration, Todd Bridwell directly impacts the company's ability to serve the specific needs of local HVACR professionals. Bridwell coordinates with other regional leaders to share best practices and optimize inventory management. Through dedicated operational oversight, the President, The Grimme Group ensures that the division maintains the highest standards of service, providing the technology and brands required to support the complex installation and maintenance projects of the contractor base.

Mike Duncan, the President (Greenville) at Johnstone Supply, directs the regional operations and contractor support services for the Greenville market. Overseeing the local distribution center, the President (Greenville) ensures that professional HVACR contractors receive timely access to the industry's largest selection of equipment and genuine OEM parts. This leadership role involves managing local inventory and implementing strategies to simplify the sourcing of hard-to-find components. By prioritizing customer service and technical support, Mike Duncan directly impacts the success of local contractors. Duncan manages the integration of new product lines and technology to ensure the Greenville branch remains competitive. Through consistent operational focus, the President (Greenville) supports the company's mission to provide the best brands and technology, ensuring that the Greenville region remains a reliable partner for HVACR professionals who require high-quality parts and equipment to complete their work efficiently and effectively.

Raj Hiremath, the President (Arizona, Nevada & Mississippi) at Johnstone Supply, directs the strategic operations and distribution network across these key regional markets. Overseeing the supply chain and contractor support, the President (Arizona, Nevada & Mississippi) ensures that professional HVACR contractors have access to the industry's largest selection of equipment and genuine OEM parts. This leadership role involves managing regional inventory and optimizing the cross-reference tools that make sourcing parts efficient. By driving market growth and maintaining high service standards, Raj Hiremath directly impacts the company's performance in these diverse regions. Hiremath coordinates with corporate teams to introduce new technology and expand the product catalog to meet local contractor needs. Through rigorous operational management, the President (Arizona, Nevada & Mississippi) ensures that the company remains the primary resource for HVACR professionals, providing the necessary tools and parts to support successful installations and repairs.

Stacy Cardwell, the Chief Human Resources Officer at Johnstone Supply, directs all talent acquisition, organizational development, and employee engagement initiatives. Overseeing the workforce strategy, the Chief Human Resources Officer ensures the company attracts and retains top-tier professionals capable of supporting the complex needs of HVACR contractors. This leadership role involves designing comprehensive training programs that emphasize technical product knowledge and superior customer service standards. By cultivating a culture of operational excellence, Stacy Cardwell directly impacts the productivity and morale of the entire organization. Cardwell manages performance management systems that align individual contributions with the company's growth objectives. Through strategic workforce planning, the Chief Human Resources Officer supports the expansion of the distribution network, ensuring that every location possesses the expertise required to maintain the industry's largest selection of equipment and genuine OEM parts for professional contractors.