Dr Marjan attended the International Islamic University Malaysia where she obtained her B.Sc (Hons) degree in Islamic Revealed Knowledge and Heritage (Fiqh and Usul-l-Fiqh) in 1998. She had her M.Sc. and Ph.D also in Islamic Revealed Knowledge and Heritage (Fiqh and Usul-l-Fiqh) in 2001 and 2005 respectively.
She has worked at the International Shari'ah Research Academy for Islamic Finance from 2013 to date where she has held several roles ranging from Head of Research Quality Assurance Office, Senior Researcher, and currently Director of Research. She has tutored at the Faculty of Law and Shari’ah at the Universiti Sains Islam Malaysia with specialization in issues of Ijtihad (Intellectual Reasoning), Islamic Jurisprudence (Usul al-Fiqh), Islamic Laws of Transaction (Fiqh al-Muamalat) and Islamic Criminal Laws (Fiqh al-Jinayah). She has also served on different shariah boards including: MBSB Bank Berhad, RHB Islamic Berhad, Maybank Islamic Berhad, SME Bank Berhad, and she is currently on the Shariah board of Bank Negara Malaysia.
She has published articles in both international and local referred journals and has produced several research papers on Islamic finance.