Sam is currently the Chief Executive, Government Strategic Business Group (Gov+) at NCS, leading a dedicated group of practices to build NCS' digital government portfolio, and drive collaboration efforts to propel NCS as the go-to digital catalyst for governments and smart cities across Asia Pacific. His key focus is to help government agencies digitalise the core of public services to enable holistic public service transformation.

Prior to NCS, Sam was the Managing Director of GIC. He was the Director, Technology Group and also heads GIC’s Business partner and Solutions Division. Sam was also a member of GIC’s Corporate Management Committee and the Group Risk Committee. In addition to these corporate roles, Sam co-chaired the Business Continuity Management Committee and was part of GIC’s Technology Investment Business Group.

Before GIC, Sam was Managing Director at Accenture ASEAN Technology. He also led Accenture's Asia Pacific Communications Centre of Excellence delivering business solutions across Asia. He was also a member of Accenture's Global Technology Leadership Council and ASEAN Geographical Leadership Council.

Sam currently serves as Board Director on the Gardens by the Bay Board. Sam also sits on the Board of Singapore Management University’s (SMU) School of Computing and Information Systems and Singapore Polytechnic’s School of computing. In addition, he serves as Council Member on Enterprise Singapore’s IT Standards Committee.

Sam also serves as President for the Singapore Computer Society (SCS). Established in 1967, SCS now has a membership base of over 54,000 members, 13 Chapters and 6 Special Interest Groups. He has been conferred a Fellow by SCS.