Richard Mackender, Senthuran Elalingam, and Ong Siew Yong

Richard Mackender
Indirect Tax Leader, Deloitte Singapore and Asia Pacific

With more than 25 years of experience at Deloitte, Richard currently serves as the Indirect Tax Leader for Deloitte in Singapore and the wider Asia Pacific region.

Richard’s primary focus is advising businesses on the tax aspects of their activities from a Singapore perspective as well as when issues arise across Asia Pacific.

Richard is also the Chief Technology Officer and Chief Strategy and Innovation Officer for Deloitte’s Tax & Legal business in Southeast Asia.

Senthuran Elalingam
Indirect Tax Partner, Deloitte Singapore

Senthuran is the financial services industry indirect tax leader for Deloitte Singapore and Asia Pacific. He has over 20 years of experience in advising clients on indirect tax matters.

He has assisted numerous clients in understanding and implementing e-invoicing requirements as well as undertaking wider tax automation projects. He has also undertaken significantly indirect tax policy work and has presented before tax authorities in Australia, Malaysia, China and Singapore on indirect tax matters.

Senthuran was admitted as a Solicitor of the Supreme Court of New South Wales (Australia). He holds a Bachelor of Commerce majoring in Accounting and a Bachelor of Laws from Macquarie University, Australia. He also holds a Master’s degree in Taxation from the University of New South Wales, Australia. He is an Accredited Tax Practitioner (ATP) with the Singapore Chartered Tax Professionals (SCTP) and a Chartered Tax Adviser (CTA) with the Tax Institute of Australia (TIA).

Dr Ong Siew Yong
Tax Technology Consulting Director, Deloitte Singapore

Siew Yong is a Tax Technology Consulting Director at Deloitte Singapore, where her focus is on indirect tax technology, including indirect tax determination, compliance and e-Invoicing through native enterprise resource planning (ERP) functionalities and external solutions.

She has led projects related to electronic invoicing for global clients, and has deep experience in configuring ERP systems to meet country-specific tax requirements for multiple jurisdictions.

Siew Yong holds a PhD in Electrical and Electronic Engineering from The University of Birmingham.