Zein has more than 8 years of experience working in the accounting, auditing, tax and consulting fields. He also has more than 4 years of experience in valuation services in the Middle East. He is the founder of Al-Mukhtar for Accounting and Auditing, a Beirut based firm specialised in financial, tax and legal consultancy. He is also the co-founder and the managing partner of the Institute for Financial Analysts (IFA) a firm specialising in preparatory courses and seminars for professional designations.