As Singtel’s Head, Technology Infrastructure, Caleb looks after the Group Technology Infrastructure, including automation like AIOPs, DevOps, CI/CD and Cloud across both Singtel and Optus to support the various digital transformation and agile tribes and swats.
Prior to this, Caleb has served as VP and Head of Technology & Operations in NTUC Income, and spent 10 years with the Infocomm Development Authority of Singapore (IDA). In these capacities, he oversaw shared IT services, IT service management, enterprise architecture, IT security, cyber defense, investment IT, data warehouse, big data analytics, digitalisation projects, as well as implementation and operations of various civil service-wide shared IT services. He has also served as the Ministry CIO at Ministry of Foreign Affairs and Ministry of Education.