YBhg Tan Sri Rozali Ismail is the founder of PNSB Water Sdn Bhd (formerly known as Puncak Niaga (M) Sdn Bhd) (PNSB), the Executive Chairman of Puncak Niaga Holdings Berhad (Puncak Niaga) Group and major shareholder of Puncak Niaga. He was appointed to the Board of Puncak Niaga on 24 April 1997. He is the Chairman of Puncak Niaga’s Executive Committee (EXCO) and Executive Vice Chairman of Puncak Niaga’s Oil & Gas Division.