From 1990 to 1996 , he was Ambassador to the United States , and subsequently an Ambassador - at - Large .
He was also Director of the Security and Intelligence Division , The Straits Times newspaper , Singapore Press Holdings and Singapore Mint .
From 1990 to 1996 , Director was Director to the United States , and subsequently an Ambassador - at - Large .
He was also Director of the Security and Intelligence Division , The Straits Times newspaper , Singapore Press Holdings and Singapore Mint .