Dato' Siti Halimah Ismail was appointed to the Board of MMC Corporation Berhad as an Independent Non-Executive Director on 16 July 2015. She is a member of the Finance, Investment and Risk Committee.
She holds a Master in Management Science M. Sc (Demography) from London School of Economics, United Kingdom, a Diploma in Public Administration from Institute of Public Administration (INTAN) and a Bachelor's Degree in Economics (Hons) from University of Malaya.
Dato' Siti Halimah began her career with the Economic Planning Unit (Human Resource Section) under the Prime Minister's Department as a Diplomatic and Administrative Officer (PTD). She subsequently joined Treasury under the Ministry of Finance as an Assistant Secretary in the Tax Analysis Division and retired as the Under Secretary (JUSA B), in the same division, in June 2015.
Dato' Siti Halimah had served on the Boards of Padiberas Nasional Berhad, Lembaga Hasil Dalam Negeri (LHDN), Malaysia-Thai Joint Authority (MTJA), Malaysia Industrial Development Authority (MIDA), Halal Development Corporation (HDC), Labuan Financial Services Authority (LFSA) and was an Alternate Director on the Board of Petroliam Nasional Berhad (PETRONAS).
Dato' Siti Halimah currently sits on the Board of Waqaf An-Nur Corporation Berhad.