Aiman is a highly qualified legal and Islamic finance professional, holding a Master of Science in Islamic Finance from INCEIF, Malaysia, as well as Bachelor of Laws (Honors) and Bachelor of Laws (Shariah) (Honors) from the International Islamic University Malaysia (IIUM). He is a Chartered Professional in Islamic Finance (CPIF) and a Certified Shariah Adviser & Auditor (CSAA). Aiman serves as a Director/Principal Consultant at Tawafuq Consultancy Sdn Bhd and is a partner at Messrs. Mu’az Aiman Halem Auzan & Associates (MAHA Lawyers).

As the founding Deputy President of Malaysia Young Shariah Scholars Association (MySSA), Aiman is a member of several professional organizations such as the Chartered Institute of Islamic Finance Professionals (CIIF), the Association of Shariah Advisors in Islamic Finance Malaysia (ASAS), Malaysian Finance Association (MFA), Malaysian Association of Muslim Finance Professionals (MAMFP), ASEAN Young Professionals Network (AYPN), Asian Institute of Chartered Bankers (AICB), the International Council for Islamic Finance Educators (ICIFE), and a fellow of the Accounting & Auditing Organization for Islamic Finance Institutions (AAOIFI). He is a Shariah-qualified personnel for two registered Shariah Advisers approved by the Securities Commission of Malaysia (SCM), namely Tawafuq Consultancy Sdn. Bhd. and MAHA Shariah Advisory Sdn. Bhd. Additionally, Aiman is an accredited trainer with the Islamic Banking & Finance Institute of Malaysia (IBFIM), regularly delivering Islamic finance talks and training. He has completed the prestigious “i-Advisor program” organized by the Securities Commission Malaysia (SCM).

Before recommencing his legal practice, Aiman served in a major local Islamic bank's Shariah Department, where he oversaw the Shariah compliance aspect of the banking products, offerings, procedures, and system. He regularly conducted research on various Shariah issues for consumers, businesses, corporate, wholesale, and investment banking segments. Most of Aiman's exposure, be it with the legal fraternity or the banking sector, is closely related to the Islamic finance industry. His main practice areas include corporate finance/banking, equity market, Islamic real estate investment trust (i-REIT), Islamic securities, and retail & commercial banking, where he advises corporations (including listed companies), investment banks and financial institutions, commercial and development financial institutions, and individuals on matters ranging from issuance of Sukuk to development of retail to trade or investment banking products.