Leong holds a Bachelor of Science Degree Honours majoring in Mathematics and Physics from the University of Malaya and qualified as an accountant from the Malaysian Institute of Certified Public Accountants.
He is the Managing Director of Batu Kawan Berhad, a company listed on the Main Market of Bursa Malaysia Securities Berhad, and the Chairman of Chemical Company of Malaysia Berhad.
Seenivasagam, 30000 Ipoh, Perak Darul Ridzuan.