Ng's appointment comes as CLP looks to expand its marketing department and play a wider role in the community.
Ng, who spent four years at Euro and was strategic planner for BBDO from 1997 to '99, will be responsible for customer relationship management, database marketing, as well as the development of online and e-commerce initiatives.
"The immediate goals in my new post are to align the marketing and communications strategy between the brand and all other programmes and activities in the market within CLP Power. I will also develop new marketing programmes and communications campaigns to strengthen the brand positioning through the development of CRM from a database of two million customers," said Ng.