Mansur is a Fellow of the Institute of Chartered Accountants in England and Wales and holds a BA (Hons) from Lancaster University. His professional career has spanned over 40 years in both public accounting firms and international banking.
He started his career with Deloitte in London where after qualifying, he moved to Bahrain to work with an associate firm. As an audit principal, he was responsible for professional services to all the major clients of the firm, in particular the finance sector. He was, however, keen to play a role in the fast-growing Islamic banking industry and joined, as head of audit and compliance, Ithmaar Bank in Bahrain, a member of DMI group and one of the pioneers in Islamic banking market. As a member of the senior management team, he played an active role in the development of the regulatory framework for Islamic financial institutions in Bahrain.
In 2004, Mansur returned to the UK to assist in establishing the first Islamic bank in the country, the Islamic Bank of Britain, now Al Rayan Bank. Upon successful launch of that bank, he moved to Credit Suisse within the emerging market structuring team. There he was responsible for structuring Islamic products and finance transactions. His major Islamic transactions include the landmark $2.5 billion convertible Sukuk for Al Dar, a leading real estate developer in UAE. In late 2008, he established his own Sharia consultancy practice and in 2011 was appointed as a director of Tejara Capital.
Mansur had been involved with HM Treasury in the tax and regulatory changes that have taken place to promote Islamic finance in the UK. He is also a member of the technical team for Islamic Finance Qualification of the Securities and Investment Institute in the UK.