Dr. Najar is a member of the teaching staff in the Dept. of petroleum reservoir engineering / College of petroleum and mining engineering / the University of Mosul. He received B.Sc. in Geology from the University of Mosul in 1983. He completed his M.Sc. in Geophysics (Paleomagnetic dating of recent sediments) from the Geology department / University of Baghdad in 1989. He earned a Ph.D. in Geophysics (Petroleum reservoir structures exploration study using seismic, gravity & magnetic methods controlled by boreholes data) from the Dept. of Geology / the University of Mosul in 1999. Dr. Najar is very interested in reservoir engineering subjects. He has more than 18 years of experience in teaching in universities inside and outside of Iraq.Mr. Salih is a Reservoir Engineer at Iraqi North Oil Company, he has graduated from the University of Mosul, Reservoir Engineering Department. He has strong experience in reservoir evaluation and management, reservoir modeling and simulation, datascience, business intelligence, information management, and full-stack development.