Prof. Mariam has had a much-decorated three-decade career in public service where she served for 17 years in the Ministry of Health (MOH), Malaysia. She was directly involved in the international food standard development, Codex Alimentarius Commission (CAC), while she was the Codex Regional Representative for Asia from 1996 till 1998. This led to the development of the Draft General Guidelines for Use of the Term “Halal” before it was adopted in 1997 at the CAC.
She went to an illustrious career at the Department of Islamic Development Malaysia (JAKIM) and the Halal Industry Development Corporation (HDC). At JAKIM, she established the technical audit and the Malaysian halal certification system. She also published the Handbook of Halal Ingredients, translated the first JAKIM Halal Manual Procedure and drafted the National Halal Laboratory concept paper.
Prof. Mariam's stint with HDC proved to be as noteworthy as she led the development of Halal Training Programmes, Halal Standard Unit, Halal Certification Unit, Halal Reference Unit and Halal Consultancy. She also initiated and organised the first World Halal Research Summit in 2007.