Zein has more than 18 years of experience working in the accounting, auditing, tax and financial consulting fields. He also has more than 14 years of experience in private equity, portfolio management, investments and valuation services in the Middle East. He is the founder of Al-Mokhtar for Accounting and Auditing, a Beirut based firm specialized in financial, tax and legal consultancy. He is also the co-founder of couple of other businesses in the education, training and food and beverage industries.