Presently, Joo Whut Chang holds the position of Managing Director at Ntegrator International Ltd. Mr. Chang is also on the board of Ntegrator Pte Ltd., Fiber Reach Pte Ltd. and Ntegrator Myanmar Pvt Ltd.

In the past Mr. Chang held the position of General Manager & Executive Director at Plexus Technology Pte Ltd. and Regional Manager at Teledata (Singapore) Ltd.