The Chairman of Pelangi Berhad, Y.A.M. Tunku Osman Ahmad, is a prominent figure in Johor. He served the Johor Civil Service for 16 years from 1957 to 1973 in various capacities including that of State Treasurer and has wide range of business interests including logging and sawmiling, palm oil refining, property development, plantations, manufacturing and banking.
An expert in agriculture engineering, he is also the Chairman of Malaysian Timber Council. He has held various positioins and served as presidents in various major real estate associations in Malaysia and the Asean region. Currently, the calm and collected Tunku also holds directorship in Keck Seng (M) Bhd, Mamee Double-Decker (M) Bhd and Binaik Equity Bhd.