Dorothy Oskar is responsible for defining strategy and driving the delivery of quality services to clients in the public sector. She oversees the conceptualisation, design, development, implementation, and operation of mission-critical systems. 

She also manages projects, services, stakeholders, budgets, and teams while championing the adoption of AI across various aspects of delivery, balancing innovation with operational stability and efficiency

Dorothy has 35 years of experience in system design, implementation, IT outsourcing, and business process re-engineering in the public sector. She began her career at the National Computer Board, contributing to Civil Service Computerisation initiatives under the Ministry of Finance, which shaped her focus on business process digitalisation using technology.

Dorothy holds a Bachelor of Science degree, majoring in Computer Information Systems, from the University of New South Wales, Australia. 

Ong Keng Wah oversees the strategic direction, financial performance, organisational effectiveness, and delivery outcomes of Applications and Communications Engineering, translating strategy into measurable business results. He drives large scale transformation and AI-led productivity initiatives to improve efficiency, strengthen delivery performance, and create enterprise-wide value across NCS.

With more than 25 years of IT experience, Keng Wah has held senior leadership roles across pre-sales, complex application delivery, and managed services. He has supported public sector, defence, homeland, healthcare, transport, and enterprise clients through a people centric leadership approach.

Keng Wah holds a Bachelor of Science in Computer Science from the National University of Singapore and is professionally certified in IT leadership, including the Certification in IT Project Management from the Singapore Computer Society.

Samuel Tan is a Senior Director and Co-Lead for Engineering. Since joining NCS in December 2022, he has been responsible for delivering Aviation Engineering solutions for CAAS and CAG. With 31 years in the RSAF as well as his 9 years in the commercial Aviation sector, Samuel brings an invaluable operational and engineering perspective to NCS.