Temasek Holdings has appointed former Singapore Exchange (SGX) chief executive Hsieh Fu Hua as its president and executive director from Aug 1. It has also appointed Mr Dilhan Pillay Sandrasegara, currently managing partner of WongPartnership [and SMU Board of Trustee] as its new head of portfolio management from Oct 18. Associate Professor Melvyn Teo, director of BNP Paribas Hedge Fund Centre at SMU said, ?Temasek is at a crossroads and is trying to position itself for the road ahead.?