Halimatun Sa’adiah Abd. Halim graduated with Bachelor of Laws in 1997 from the University of Bristol, United Kingdom. She commenced her professional career with PETRONAS with the Corporate Planning & Development Division, Business Improvement Unit where she first harnessed and built foundation of her knowledge and understanding of PETRONAS’ business. Halimatun joined Group Legal PETRONAS in 2000 and thereon assumes various leadership role within Group Legal; as the Head of Legal Oil, Marketing and Trading from 2011, Head of Legal Corporate Services and Technology from 2013, Head of Legal Gas and LNG from 2014. She has held directorship on the Board of various PETRONAS subsidiaries and was the PETRONAS Company Secretary and Head of Corporate Governance & Secretariat before her appointment as Chief Compliance Officer, Legal Compliance Department, Group Legal in 2018. She is currently the Group Chief Audit Executive of PETRONAS with effect from 1 April 2022.