Kirby Executive and Leadership Team

David Grzebinski, the Chief Executive Officer at Kirby, directs the overarching strategic vision for the largest domestic tank barge transportation company in the United States. Grzebinski manages the integration of inland and coastal marine transportation with specialized industrial distribution services. By aligning corporate objectives with market demands in the energy and power generation sectors, the Chief Executive Officer ensures long-term operational efficiency. David Grzebinski monitors performance metrics across all business units to maintain a competitive edge in bulk liquid commodity transport. This leadership role involves constant evaluation of capital allocation strategies to support growth in the industrial equipment maintenance and manufacturing segments. Through rigorous oversight of corporate governance and stakeholder relations, the Chief Executive Officer drives the company toward sustainable profitability while navigating complex regulatory environments within the North American transportation landscape.

D. Hume, the Vice President, Finance & Divisional Chief Financial Officer, Kds at Kirby, manages the financial health and fiscal planning for the industrial distribution and equipment services division. Hume oversees budgetary controls, financial reporting, and cost management initiatives to optimize divisional performance. By analyzing market trends in the energy and industrial sectors, the Vice President, Finance & Divisional Chief Financial Officer, Kds provides critical data to support strategic decision-making. D. Hume coordinates with operational leaders to ensure resource allocation aligns with the broader corporate mission of maintaining market leadership. This role involves rigorous monitoring of revenue streams and expense structures to enhance margins within the equipment maintenance and manufacturing business. Through precise financial modeling and risk assessment, the Vice President, Finance & Divisional Chief Financial Officer, Kds secures the fiscal stability necessary for continued expansion across regional industrial markets.

Raj Kumar, the Executive VP & Chief Financial Officer at Kirby, directs the global financial strategy and capital structure for the entire organization. Kumar oversees treasury operations, investor relations, and corporate accounting to ensure transparency and fiscal growth. By managing the balance sheet and evaluating investment opportunities in industrial services, the Executive VP & Chief Financial Officer supports the company's diversified business model. Raj Kumar collaborates with the Board to establish long-term financial targets and risk management frameworks. This leadership role involves monitoring macroeconomic indicators to adjust financial planning for the energy and power generation markets. Through rigorous oversight of financial performance, the Executive VP & Chief Financial Officer drives value creation for shareholders. Kumar ensures that the company maintains the liquidity and financial strength required to sustain its position as a leader in domestic tank barge transportation and industrial equipment services.

Christian O'Neil, the President and Chief Operating Officer at Kirby, executes the daily operational strategy for the company's extensive marine transportation network. O'Neil manages the inland and coastal fleet logistics, ensuring the safe and efficient movement of bulk liquid commodities. By optimizing vessel utilization and maintenance schedules, the President and Chief Operating Officer drives productivity across the marine business segment. Christian O'Neil coordinates with regional managers to maintain high service standards for customers in the energy and transportation sectors. This leadership role involves overseeing safety protocols and operational compliance to mitigate risks in maritime environments. Through the implementation of lean operational practices, the President and Chief Operating Officer enhances the overall performance of the marine division. O'Neil focuses on scaling fleet capabilities to meet evolving market demands while maintaining the company's reputation for reliability in the domestic transportation industry.

Christian O'Neil, the President & Chief Operating Officer at Kirby, manages the strategic integration of industrial equipment services and manufacturing operations. O'Neil directs the expansion of maintenance and servicing capabilities to support customers in the power generation and industrial sectors. By streamlining supply chain processes for equipment distribution, the President & Chief Operating Officer enhances operational throughput. Christian O'Neil collaborates with divisional leaders to align service offerings with the specific needs of the energy market. This leadership role involves overseeing quality control and process improvement initiatives to maximize efficiency in the industrial services business. Through the development of high-performance teams, the President & Chief Operating Officer drives growth in the equipment maintenance segment. O'Neil ensures that the company's industrial service capabilities remain at the forefront of the market, providing essential support to clients across diverse industrial landscapes.

Dorman Strahan, the President (Kirby Engine Systems) at Kirby, directs the specialized operations of the engine systems division. Strahan oversees the manufacturing, maintenance, and servicing of industrial equipment critical to the energy and power generation sectors. By focusing on technical excellence and service reliability, the President (Kirby Engine Systems) ensures that the division meets the rigorous demands of industrial clients. Dorman Strahan manages the engineering and technical teams responsible for delivering high-performance solutions. This leadership role involves identifying new market opportunities for engine systems and expanding the service footprint across North America. Through the optimization of repair and maintenance workflows, the President (Kirby Engine Systems) drives revenue growth and operational efficiency. Strahan maintains strong relationships with key industrial partners, ensuring that the division provides consistent value and supports the broader corporate mission of delivering specialized industrial services.

John Hallmark, the President at Kirby, manages the strategic direction of the inland marine transportation business. Hallmark oversees the deployment of the barge fleet and ensures the efficient transport of bulk liquid commodities across domestic waterways. By focusing on operational safety and fleet maintenance, the President drives the performance of the inland marine segment. John Hallmark coordinates with logistics teams to optimize route planning and vessel utilization for energy and industrial customers. This leadership role involves monitoring market trends in the transportation sector to adjust fleet capacity and service offerings. Through the implementation of rigorous safety standards and operational protocols, the President ensures the reliability of the company's core transportation services. Hallmark maintains a focus on long-term growth and efficiency, ensuring that the inland marine division continues to serve as a cornerstone of the company's business model.

James Farley, the President, Kirby Offshore Marine at Kirby, directs the coastal and offshore marine transportation operations. Farley oversees the management of the offshore fleet, ensuring the safe and timely delivery of bulk liquid commodities in coastal waters. By focusing on specialized marine logistics, the President, Kirby Offshore Marine enables the company to serve complex energy and industrial markets. James Farley manages the operational teams responsible for vessel maintenance and crew safety in challenging offshore environments. This leadership role involves developing strategies to expand the offshore service footprint and enhance competitive positioning. Through the optimization of coastal transportation routes and service delivery, the President, Kirby Offshore Marine drives operational efficiency and revenue growth. Farley ensures that the offshore division adheres to the highest safety and environmental standards, supporting the company's reputation as a leader in marine transportation.

Donald Mann, the President - ADDA and FDDA at Kirby, directs the specialized distribution and servicing operations for industrial equipment. Mann oversees the management of the ADDA and FDDA divisions, focusing on the maintenance and distribution of critical industrial components. By ensuring high service levels for customers in the energy and power generation sectors, the President - ADDA and FDDA drives divisional performance. Donald Mann manages the technical and sales teams responsible for delivering equipment solutions and maintenance support. This leadership role involves identifying market opportunities for equipment distribution and expanding the service network. Through the optimization of inventory management and service workflows, the President - ADDA and FDDA enhances operational efficiency and customer satisfaction. Mann maintains a focus on technical innovation and service quality, ensuring that the division provides essential support to the company's industrial clients.

Scott Miller, the Vice President & Chief Information Officer at Kirby, architects the digital infrastructure and technological framework supporting marine transportation and industrial services. Miller directs the implementation of advanced data analytics and cybersecurity protocols to protect critical operational systems. By modernizing internal platforms, the Vice President & Chief Information Officer enables seamless communication between inland marine fleets and industrial distribution hubs. Scott Miller oversees the integration of software solutions that enhance maintenance tracking and equipment servicing efficiency. This leadership role involves collaborating with executive peers to leverage technology as a primary driver for operational excellence and safety compliance. Through the deployment of scalable IT solutions, the Vice President & Chief Information Officer ensures that the company maintains a robust digital presence, facilitating real-time decision-making across all North American operations and supporting the complex logistics of bulk liquid commodity transport.