He will succeed incumbent CFO Chng Lay Chew from Oct 1 onwards upon the latter’s retirement.
At MAS, Ng was the assistant managing director of the Development and International.
He was also executive director of the Markets Policy and Infrastructure Department and Financial Markets Strategy Department.
Prior to the central bank, Ng was an investment banker with Morgan Stanley in Singapore and Citigroup in Hong Kong and London.
SGX closed down 27 cents or 3% at $8.64, with some 4.33 million shares changed hands.