Mr Mun joined the CIMB Group (an ASEAN universal bank listed in Malaysia) following the acquisition of GK Goh Securities Pte. Ltd. in 2005, where he served as the Head of Corporate Finance. He was CEO of CIMB Bank Singapore and its Country Head from 2008 until his retirement in December 2019. Previously, Mr Mak was the Head of Mergers & Acquisitions Advisory Department with DBS Bank Ltd (formerly known as The Development Bank of Singapore). He held various senior positions in the Corporate Finance divisions of Vickers Ballas & Co. Pte. Ltd., Ernst & Young, Oversea-Chinese Banking Corporation Limited and Citicorp Investment Bank (Singapore) Limited. He is a member of the Investment Committee.