Kirby Executive and Leadership Team

David Grzebinski, the Chief Executive Officer at Kirby, directs the overall strategic vision and operational execution for the company's extensive marine transportation and industrial services segments. Grzebinski oversees the management of the nation's largest inland and offshore tank barge fleets, ensuring the safe and efficient transport of bulk liquid products across critical U.S. waterways. This leadership role involves guiding the company's expansion into new markets and enhancing its service offerings within the distribution and after-market services sector, which includes diesel engines and industrial equipment. Grzebinski's strategic decisions directly impact Kirby's market position as a premier provider of tank barge services and industrial solutions, driving growth and profitability. The Chief Executive Officer's focus remains on optimizing fleet utilization, expanding the distribution and services network, and maintaining Kirby's reputation for reliability and operational excellence in serving the petrochemical, refined petroleum, and agricultural chemical industries.

D. Hume, the Vice President, Finance & Divisional Chief Financial Officer, Kds at Kirby, manages the financial operations and strategic fiscal planning for the Distribution and Services segment. Hume oversees the financial health and performance of the business unit responsible for distributing and servicing diesel engines, transmissions, and related industrial equipment. This executive's responsibilities include financial reporting, budgeting, and ensuring fiscal discipline across the diverse markets served, such as oilfield services and power generation. D. Hume's financial acumen supports the segment's growth objectives and its role as a nationwide provider of critical industrial components and after-market services. The Vice President, Finance & Divisional Chief Financial Officer, Kds plays a crucial part in optimizing financial strategies to enhance profitability and operational efficiency within this specialized division of Kirby.

Raj Kumar, the Executive Vice President & Chief Financial Officer at Kirby, directs the company's comprehensive financial strategy, capital allocation, and investor relations. Kumar oversees all financial planning, accounting, and reporting functions, ensuring the fiscal integrity and strength of Kirby's marine transportation and industrial services operations. This executive's leadership is vital in managing the financial aspects of operating the largest inland and offshore tank barge fleets in the United States and guiding the financial performance of the Distribution and Services segment. Raj Kumar's strategic financial management supports Kirby's growth initiatives, including acquisitions and capital investments, while maintaining a strong balance sheet. The Executive Vice President & Chief Financial Officer's role involves close collaboration with the CEO and Board of Directors to drive shareholder value and ensure long-term financial sustainability for the company.

Christian Oneil, the President and Chief Operating Officer at Kirby, executes the day-to-day operational strategies that underpin the company's vast marine transportation network and industrial services. Oneil manages the extensive inland and offshore tank barge fleets, ensuring seamless logistics for bulk liquid products like petrochemicals and refined petroleum across the Mississippi River System and U.S. coasts. This executive's responsibilities extend to overseeing the Distribution and Services segment, driving its performance as a nationwide distributor and after-market service provider for industrial equipment. Christian Oneil's leadership ensures operational efficiency, safety compliance, and the effective integration of acquired businesses, contributing significantly to Kirby's market leadership. The President and Chief Operating Officer's role involves close collaboration with other senior leaders to optimize resource allocation and enhance service delivery across all operational facets, from barge movements to equipment distribution and repair.

Christian O'Neil, the President & Chief Operating Officer at Kirby, drives the operational execution and strategic implementation across the company's diverse business units. O'Neil directs the management of Kirby's extensive tank barge fleets, ensuring the reliable transportation of bulk liquid products throughout the United States. This executive's purview includes the Distribution and Services segment, where leadership focuses on expanding the nationwide distribution of diesel engines, transmissions, and related industrial equipment. Christian O'Neil's operational oversight is critical to maintaining Kirby's status as a leader in marine transportation and industrial services, emphasizing efficiency, safety, and customer satisfaction. The President & Chief Operating Officer's role involves optimizing supply chain logistics, enhancing after-market service capabilities, and fostering innovation within the manufacturing of specialized industrial equipment, directly supporting key sectors like oilfield services and power generation.

John Hallmark, the President at Kirby, directs significant operational segments within the company, contributing to its overall market leadership in marine transportation and industrial services. Hallmark's leadership focuses on driving performance and strategic growth within the areas of responsibility, ensuring alignment with Kirby's core business objectives. This executive's role involves overseeing key business units, optimizing operational workflows, and fostering a culture of excellence. John Hallmark's contributions are essential to maintaining Kirby's reputation for reliability and efficiency in serving diverse industrial markets. The President's strategic oversight supports the company's mission to provide essential services and products, enhancing its competitive position and driving sustained success across its operations.

Donald Mann, the President - ADDA and FDDA at Kirby, leads the strategic direction and operational management for these specific divisions within the company's industrial services portfolio. Mann oversees the performance and growth of the American Diesel Distributors (ADDA) and Fairbanks Distribution and Dealers Association (FDDA) operations, focusing on their roles as distributors and after-market service providers for diesel engines and related industrial equipment. This executive's responsibilities include enhancing customer relationships, expanding market reach, and ensuring the efficient delivery of products and services to sectors such as oilfield services and power generation. Donald Mann's leadership is critical to maintaining Kirby's competitive edge in the distribution and servicing of industrial machinery and components.

Dorman Strahan, the President (Kirby Engine Systems) at Kirby, directs the operations and strategic initiatives for the company's engine systems division. Strahan oversees the manufacturing, distribution, and after-market servicing of diesel engines, transmissions, and related industrial equipment, catering to a broad range of markets including oilfield services, marine, and power generation. This executive's leadership focuses on enhancing product quality, optimizing supply chain logistics, and ensuring customer satisfaction through reliable service and support. Dorman Strahan's expertise is crucial in maintaining Kirby's position as a leading provider of industrial equipment and services, driving innovation and operational excellence within the engine systems segment.

Scott Miller, the Vice President & Chief Information Officer at Kirby, leads the company's information technology strategy and infrastructure development. Miller oversees the implementation and management of technology solutions that support Kirby's extensive marine transportation and industrial services operations. This executive's focus includes enhancing cybersecurity, optimizing data management, and leveraging digital tools to improve operational efficiency across the tank barge fleets and the Distribution and Services segment. Scott Miller's leadership ensures that Kirby's IT systems are robust, scalable, and aligned with the company's strategic objectives, facilitating seamless communication and data flow. The Vice President & Chief Information Officer's role is critical in driving technological innovation, supporting business intelligence, and ensuring the reliability of all information systems that underpin Kirby's market leadership.

Amy Husted, the Vice President, General Counsel & Secretary at Kirby, provides critical legal counsel and oversees corporate governance for the company. Husted manages all legal affairs, ensuring compliance with federal and state regulations impacting Kirby's marine transportation and industrial services operations. This executive's responsibilities include advising the Board of Directors, managing litigation, and overseeing contract negotiations and corporate compliance. Amy Husted's legal expertise is fundamental to mitigating risks and safeguarding Kirby's interests across its diverse business segments. The Vice President, General Counsel & Secretary plays a vital role in maintaining the company's legal integrity and supporting its strategic objectives through sound legal guidance and governance practices.