This role serves as a key commercial liaison between CSX and assigned short line partners, working across Sales, Marketing, Operations, Industrial Development, Customer Service, and other stakeholder groups to identify business opportunities, grow customer relationships, increase carload volume, and deliver value for shared customers. The role is responsible for advancing commercial growth initiatives, supporting customer development efforts, facilitating joint selling activities, strengthening partner engagement, and promoting service excellence while escalating broader strategic, policy, or executive-level matters to leadership as appropriate.