1-Graduate teaching assistant of economics at the Marketing and international business department from March 1992 to 2001. 2-Teaching assistant of economics at the Marketing and international business department from 2001 to 2005. 3-Chairman of the business department at the AAST ( Syria Branch) from0 9/2004 to 01/2007. 4-Senior economist –Financial sector-Dubai Governance from 02/2007 to 06/2007. 5-Chairman if the fiscal policies sector –Financial sector0Dubai Governance from 01/2008 to 06/2013.