Dr. Omar Badawi Abu-elbashar has 34 years of Petroleum Industry experience, and is the Managing Director of PETRO-TEC. He is specialist in Compositional and Black-oil reservoir simulation;field development planning, and Reservoir Management.He obtained his Ph.D. in Res. Eng. from the Petroleum Eng. Dept. Of the Imperial College,London University, in 1990, and conducted a postdoctoral research in reservoir modelling in 1991. As a Free-lance Consultant he is now working in Res.