Mr. Osama Ibrahim is a Lecturer of Environmental Chemistry in the Department of Environmental Health, College of Public Health, Imam Abdulrahman Ben Faisal University, Dammam, Saudi Arabia. He obtained a master of public health from the High Institute of Public Health, university of Alexandria, Egypt in 2004. Currently, he is preparing to get a PhD from College of Environmental Studies UPM- Seriserdang, Malaysia. He participated in several scientific projects and researches and has many published papers. He is responsible for data collection and data analysis.