Abdul Mu'iz Bin Hj Ibrahim move to Pengiran Isteri Hajjah Mariam Hospital as the Senior Hospital Administrator on the 17th October 2016 and was appointed as the Chief Executive Officer of Pengiran Isteri Hajjah Mariam Hospital on 19th April 2017. He was previously the hospital’s Senior Hospital Administrator (October 2016 – May 2017). He was also the Senior Hospital Administrator Raja Isteri Pengiran Anak Saleha Hospital heading the logistical and support services for 2 years and 7 months. In his youth, Abdul Mu’iz have worked in Bank Islam Brunei Darussalam (BIBD) for 7 months where he manage Customer Data Information and Customer Service Relations before furthering his studies. He has a BSc (Hons) in Software Application Development from Bradford College University, Bradford, United Kingdom in 2012.