Jimmy McCullough
Chief Technology Officer – Engineering & Cloud Operations Executive – Large-Scale Program Delivery Expert
Jimmy McCullough is an accomplished technology executive and Interim CIO with deep expertise leading global technology organizations through large-scale transformations, modernizations, and M&A integrations. With more than 25 years overseeing mission-critical systems for payments, travel technology, and global enterprises, he has managed teams of 700–900+ professionals and operational budgets exceeding $175M–$225M. Jimmy is known for delivering high-performance technology environments, driving operational excellence, and positioning organizations for long-term scalability and growth.
Interim CIO & Enterprise Technology Transformation Leader
Former Chief Technology Officer (CTO) – Global Payments & Travel Industries
Infrastructure, Engineering & Cloud Operations Executive
M&A Integration, Modernization & Large-Scale Program Delivery Expert
About
Jimmy McCullough
Jimmy McCullough brings extensive executive experience in global technology leadership across payments, travel, and enterprise IT functions. As Interim CIO at Executive Technology Services, he leads technology modernizations and M&A initiatives for private companies seeking transformation and scale. Previously, as CTO and Senior Vice President at InComm Payments, he oversaw strategy, product and application delivery, architecture, PCI compliance, and IT infrastructure for a major international payments company—leading 700+ professionals and managing a $175M+ budget. At Travelport, he served as Acting CTO and Group VP of Infrastructure Services and Major Programs, responsible for travel agency application development, cloud operations, global networks, airline reservation systems, vendor management, and data-center operations for a workforce of 900+ technologists and a $225M+ budget. Throughout his career, Jimmy has demonstrated excellence in operational leadership, conflict resolution, vendor negotiation, and delivering secure, scalable, high-availability technology ecosystems.