Tan Sri Datuk' Ling is a Founder and serves as the Chairman of the diversified Shin Yang Group of Companies involving in forest management, downstream wood-based processing, property development and shipping.
He serves as the Executive Chairman of Shin Yang Holding Group. He has been Director of Sarawak Oil Palms Berhad since October 15, 1995. He has been instrumental to the growth and expansion of Shin Yang Group of Companies. He is also a member (Director) in the Board of Directors for Danum Sinar Sdn Bhd.