DART Executive and Leadership Team

David Leininger, the Interim President & Chief Executive Officer at DART, directs the overarching strategic vision for the agency. Overseeing the integration of bus, light rail, and commuter rail networks, the Interim President & Chief Executive Officer ensures operational excellence across the entire Dallas metropolitan area. This leadership role involves managing complex transit infrastructure projects while maintaining fiscal responsibility for the organization. By aligning departmental goals with long-term regional mobility needs, David Leininger drives the agency toward sustainable growth and improved service delivery. Leininger coordinates with the Board to implement policies that expand high-occupancy vehicle lanes and optimize transit efficiency. Through rigorous oversight of daily operations, the Interim President & Chief Executive Officer maintains the integrity of the transit system, ensuring that the agency meets the evolving transportation demands of the community while fostering a culture of safety and reliability.

Kay Shelton, the Chief of Staff at DART, manages the executive office operations and facilitates communication between leadership departments. Coordinating high-level initiatives, the Chief of Staff ensures that organizational objectives align with the broader mission of providing comprehensive transit solutions. This role involves streamlining internal processes to improve decision-making speed and operational transparency across the agency. By managing the flow of information to the executive team, Kay Shelton supports the execution of critical transit projects and administrative policies. Shelton monitors the progress of key performance indicators to ensure that the agency remains focused on its core mandate of serving the Dallas region. Through effective collaboration with other C-suite leaders, the Chief of Staff optimizes resource allocation and maintains organizational focus on long-term strategic goals. This position remains central to the daily functioning of the agency, ensuring that all administrative activities support the delivery of reliable public transportation services.

Lucy Sixtos, the Assistant VP, To In Information Technology & Chief Information Officer, Amp at DART, architects the digital infrastructure supporting modern transit operations. Overseeing the implementation of advanced software systems, the Assistant VP, To In Information Technology & Chief Information Officer, Amp ensures that data-driven insights improve passenger experiences and operational efficiency. This role involves securing the agency's network against cyber threats while modernizing the technology stack used for scheduling and fleet management. By integrating innovative digital tools, Lucy Sixtos drives the agency toward a more connected and responsive transit environment. Sixtos manages the technical teams responsible for maintaining the reliability of passenger-facing applications and internal communication platforms. Through strategic investment in information technology, the Assistant VP, To In Information Technology & Chief Information Officer, Amp supports the agency's mission to provide seamless transportation services across the Dallas region, ensuring that all digital assets remain robust and scalable for future growth.

Julius Smith, the Vice President Chief Information Officer at DART, manages the enterprise-wide data strategy and information systems. Overseeing the deployment of hardware and software solutions, the Vice President Chief Information Officer ensures that the agency maintains high standards of technical performance for all transit operations. This role involves optimizing the digital backbone that supports bus and rail scheduling, ticketing systems, and passenger information displays. By aligning technology investments with the agency's operational needs, Julius Smith drives improvements in service reliability and administrative productivity. Smith collaborates with other departments to implement automated systems that enhance the efficiency of high-occupancy vehicle lane management. Through the continuous evaluation of emerging technologies, the Vice President Chief Information Officer ensures that the agency remains at the forefront of transit innovation. This leadership position focuses on building a resilient technical foundation that supports the agency's commitment to providing safe and efficient public transportation throughout the Dallas area.

Holly Roberts, the Executive Assistant To Senior Vice President and Chief Human Resources Officer at DART, coordinates the administrative functions of the human resources department. Overseeing the scheduling and documentation for personnel initiatives, the Executive Assistant To Senior Vice President and Chief Human Resources Officer ensures that the agency maintains a high standard of workforce management. This role involves facilitating communication between the human resources leadership and the broader organization to support talent acquisition and employee development programs. By managing the administrative workflow, Holly Roberts drives the efficiency of HR operations, allowing the leadership team to focus on strategic workforce planning. Roberts maintains critical records and ensures compliance with internal policies, supporting the agency's mission to foster a productive and inclusive work environment. Through meticulous attention to detail, the Executive Assistant To Senior Vice President and Chief Human Resources Officer supports the overall success of the agency's human capital strategies and organizational health.

Mauro Calcano, the Chief People Officer at DART, directs the human capital strategy and organizational culture initiatives. Overseeing talent management, recruitment, and employee engagement, the Chief People Officer ensures that the agency attracts and retains the skilled workforce necessary to operate complex transit systems. This role involves developing training programs that enhance the capabilities of staff across bus and rail divisions. By fostering a positive work environment, Mauro Calcano drives employee performance and organizational alignment with the agency's mission. Calcano collaborates with other executives to implement policies that promote diversity, equity, and inclusion within the workforce. Through the strategic management of human resources, the Chief People Officer supports the agency's operational goals, ensuring that all personnel are equipped to provide high-quality service to the Dallas community. This leadership position remains vital to maintaining the operational continuity and professional standards required for a large-scale public transportation agency.

Paul Bourzikas, the Assistant Vice President & Chief Administrative Officer, Trinity Railway Express at DART, manages the administrative and operational functions of the commuter rail division. Overseeing the daily logistics and service standards for the Trinity Railway Express, the Assistant Vice President & Chief Administrative Officer, Trinity Railway Express ensures that commuter services remain reliable and efficient. This role involves coordinating with regional partners to maintain track infrastructure and service schedules that meet the needs of daily commuters. By optimizing administrative processes, Paul Bourzikas drives the operational success of the rail division, ensuring that all safety and performance metrics are met. Bourzikas monitors service quality and implements improvements that enhance the passenger experience across the commuter network. Through effective management of the rail division's administrative requirements, the Assistant Vice President & Chief Administrative Officer, Trinity Railway Express supports the agency's broader mission to provide comprehensive and integrated transit solutions throughout the Dallas region.

Jeamy Molina, the Executive Vice President & Chief Communications Officer at DART, directs the agency's public relations, marketing, and community outreach strategies. Overseeing the dissemination of information regarding transit services and infrastructure projects, the Executive Vice President & Chief Communications Officer ensures that the public remains informed and engaged. This role involves managing the agency's brand identity and coordinating communication efforts during service updates or system expansions. By developing targeted outreach campaigns, Jeamy Molina drives public awareness and ridership growth across the Dallas metropolitan area. Molina collaborates with local stakeholders and media outlets to maintain a positive public image and foster community support for transit initiatives. Through the strategic management of all communication channels, the Executive Vice President & Chief Communications Officer supports the agency's mission to provide accessible and reliable transportation, ensuring that the public understands the value and impact of the services provided by the agency.