Dr Nor Mazny has been in the Administrative and Diplomatic Service since 1995 for almost 24 years, assigned and responsible in various posts. In 1994, Dr Nor Mazny received her Bachelor of Laws (LLB) from International Islamic University Malaysia (IIUM) and subsequently earned her Masters in Information Technology Law from University of Strathclyde, United Kingdom in 2002. Following that, she obtained her PhD from Victoria University, Australia in 2012.
Dr Nor Mazny started her career as an Assistant Secretary at the Ministry of Entrepreneur Development, later on moved to Ministry of Finance. She was then assigned to the Ministry of Energy, Green Technology and Water as the Senior Principal Assistant Secretary from 2010 to 2011. She is presently the Deputy Director General of Policy and Development, Legal Affairs Division in the Prime Minister's Department since 2015, after being the Director of the same division from 2011.