Leadership Overview
Graybar has 4 executives leading key functions including corporate strategy, operational management, financial oversight, and fiscal governance.
Focused on delivering excellence in supply chain logistics, Graybar empowers North American infrastructure through the distribution of essential electrical, communications, and data networking products to diverse industrial and commercial markets.
Focused on delivering excellence in supply chain logistics, Graybar empowers North American infrastructure through the distribution of essential electrical, communications, and data networking products to diverse industrial and commercial markets.
Leadership Roles at Graybar
Kathleen Mazzarella - Chairman, President & Chief Executive Officer
Kathleen Mazzarella, the Chairman, President & Chief Executive Officer at Graybar, directs the overarching strategic vision for the organization. Overseeing the entire North American distribution network, the Chairman, President & Chief Executive Officer ensures that logistics operations remain aligned with long-term growth objectives. This leadership role involves managing relationships with thousands of manufacturers to maintain a robust supply chain for electrical and data networking products. By fostering a culture of operational excellence, Kathleen Mazzarella drives the company toward sustained market leadership in the retail and computer sectors. The Chairman, President & Chief Executive Officer also coordinates with the Board to refine corporate governance standards. Through consistent focus on customer-centric solutions, the executive secures the competitive position of the firm across international markets while maintaining high standards of service delivery and operational efficiency throughout the vast facility network.

David Meyer - Chief Financial Officer & Senior VP
David Meyer, the Chief Financial Officer & Senior VP at Graybar, oversees the financial health and capital allocation strategies of the organization. Managing the fiscal planning for the extensive network of distribution facilities, the Chief Financial Officer & Senior VP ensures that investments in supply chain technology yield maximum returns. This role involves analyzing market trends in the electrical and data networking industries to guide long-term financial stability. By implementing robust accounting controls, David Meyer supports the company in maintaining its reputation as a reliable distributor across North America. The Chief Financial Officer & Senior VP also collaborates with other executives to evaluate potential expansion opportunities in international markets. Through precise financial forecasting and risk management, the executive protects the assets of the firm while enabling growth. This leadership function remains essential for sustaining the operational scale required to serve diverse retail and computer sector clients.

Brinley Lee - Chief Financial Officer, Finance & Director & Vice President
Brinley Lee, the Chief Financial Officer, Finance & Director & Vice President at Graybar, directs the specialized financial reporting and regulatory compliance functions. Overseeing the integrity of financial data, the Chief Financial Officer, Finance & Director & Vice President ensures that all fiscal operations adhere to industry standards across the North American footprint. This role involves managing the internal audit processes and providing strategic insights to the Board regarding capital structure. By optimizing the financial systems that support the distribution of electrical and communications products, Brinley Lee enhances the overall efficiency of the supply chain management model. The Chief Financial Officer, Finance & Director & Vice President also works to streamline budgetary processes for the various distribution facilities. Through meticulous attention to fiscal detail, the executive supports the broader mission of providing secure and efficient solutions to business-to-consumer and business-to-business markets, ultimately driving long-term value for the organization.
Dennis DeSousa - Chief of Staff
Dennis DeSousa, the Chief of Staff at Graybar, manages internal communications and executive workflows to ensure organizational alignment. Coordinating across various departments, the Chief of Staff facilitates the execution of strategic initiatives that support the distribution of electrical and communications products. This role involves streamlining decision-making processes between the C-suite and operational teams to enhance productivity across North American facilities. By optimizing internal resource allocation, Dennis DeSousa improves the speed and accuracy of logistics services provided to business-to-business customers. The Chief of Staff also monitors performance metrics to ensure that corporate objectives remain on track. Through rigorous oversight of administrative functions, the executive enables the leadership team to focus on market expansion and service innovation. This position remains vital for maintaining operational cohesion while the company scales its presence in the competitive data networking and hardware sectors.
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