Career
Ng began his political career on the municipal level He has served on municipal council and as Mayor of Cambridge Bay, Nunavut. Ng ran for a seat in the 1995 Northwest Territories general election.
Ng served one term in the Northwest Territories Legislature, becoming a cabinet Minister in the government.
His district was abolished in 1999 when Nunavut was created from the Northwest Territories. Ng ran for a seat to the Legislative Assembly of Nunavut in the first general election held in 1999.
He served one term before retiring in 2004 at the dissolution of the legislature to devote more time to his family.