Associate Professor Dr. Sa'adan Bin Man serves as a lecturer at the University Malaya (UM) since 1993 after completing his Bachelor of Syariah (B. Shariah) First Class at the same university in the same year. He then continues his studies and obtain a Doctor of Philosophy (PhD) degree in the field Islamic Jurisprudence at the University of Edinburgh, United Kingdom. His area of expertise covering Contemporary Fiqh, Islamic Consumerism, Usul Fiqh, Fiqh Al-Ibadat, Fiqh Al-Ikhtilaf, and Islamic Astronomy.

He was appointed as Head of the Department of Fiqh & Usul, Academy of Islamic Studies, UM from the year 2010 – 2013 and 2020 - 2022. He is an auditor for the Malaysian Qualifications Agency (MQA) (2011 – present), JAKIM Astronomical Expert Panel (since 2013 – present) and Committee Advisor for Malaysian Halal Certification (2014 - 2020). He has also held position as Deputy Coordinator at the International Halal Research Center University of Malaya (IHRUM) (2016-2018). In addition, he was once appointed as a member of the Board MBSB Shariah Advisor (2012 – 2017). He has served as a Visiting Scholar at the University of Edinburgh UK in 2013.

At University of Malaya, he has developed several modules related to halal studies such as Haram Halal Jurisprudence, Consumer Jurisprudence and Malaysian Halal Industry Management (Bachelor) and Fiqh Halal Haram in Products and Services (Bachelor). He is also a Certified Halal Trainer recognized by JAKIM (2018 - now) and a panel that produce a halal training module at the Malaysian Islamic Training Institute (ILIM). He also develops a halal training module for Halal International Selangor (HIS) for the program Halal Technical Competent Person (HTCP).

He has also been appointed as a Panel Shariah and Technical Advisor for International Halal Corporation (IHC), South Korea (2017-2018). He was appointed as a Permanent Member in the Advisory Panel of the Research Institute Universiti Putra Malaysia Halal Products (2024 – 2027). He was also appointed as an advisor and external curriculum assessors at the higher education level related to shariah and halal studies for various institutions of higher learning in Malaysia.

He leads many research projects in his field of expertise and presenting papers in conferences at the national and international levels. He also published academic books and scientific articles in various journals international as well as local academic journals. Among his widely referenced publications in the field of halal is a book entitled "Is Our Food Halal?". He has supervised more than 60 postgraduate students and being the reviewer of academic books and articles scholarly, in addition to serving as editor-in-chief of Jurnal Fiqh (2020-present) and editor for several academic journals. His social contributions include sharing views his academics on various academic platforms such as seminars, forums, and intellectual discourse on halal.