David started his career with KPMG. He had a 33 year long career at KPMG, where he was admitted as Partner (April 1990). He played a prominent role as Reporting Accountant for more than 30 IPOs in Bursa Main Markets. He was a chairman in Audit Committee Institute (ACI) between 2006 – 2011 and a chief examiner for MICPA between 1985 – 1995. From 2002 till 2004, he was Chairman of MICPA Code of Ethics Committee and a member of the Malaysian Institute of Accountants Code of Ethics Committee. In May 2013, he was appointed as Council member of The Institute of Chartered Accountants in England and Wales (“ICAEW”).
David holds independent Non-Executive Director positions for some main board companies such as Public Investment Bank Berhad (current), Manulife Insurance Berhad (2012-2021), Affin Huang Investment Bank (2012-2021), UM Land Berhad (2012- 2015) Ann Joo Resources Berhad (2013-2018), and currently Ranhill Utilities Berhad, Kawan Food Berhad, Press Metal Holdings Bhd, and Rockwills Trustee Berhad (unlisted).