She is a chartered accountant and also has professional qualifications in banking and taxation. She held various senior management positions with Standard Chartered Bank and was Chief Executive Officer of Standard Chartered Bank, Singapore, from 2001 until 2006.She has also held non-executive appointments on various boards including Aviva plc, MediaCorp Pte Limited, Singapore Airlines Limited, Singapore Exchange Limited, Standard Chartered Bank Malaysia Berhad and Standard Chartered Bank Thai pcl. She was previously Non-executive Chairman of the Singapore International Foundation and Chairman of International Enterprise Singapore and the Accounting Standards Council, Singapore.She is Chairman of SATS Limited, a Non-executive Director of CapitaLand Limited, DBS Bank Limited and DBS Group Holdings Limited and a Trustee of the Singapore Institute of International Affairs Endowment Fund and the Temasek Trust. She is also a Non-executive Director of Singapore Health Services Pte Limited, a not-for-profit organisation.  

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