Prof. Reyad A. Al Dwairi is a university professor of Applied Geology at Tafila Technical University, Jordan. He worked as a visitor researcher at Barcelona University in the Faculty of Geology, Spain 2012 and as a staff member in the institute of Environmental Engineering at Brandenburg Technical University, Germany. He received his PhD in Environmental Geology from The University of Jordan, in 2007. His research interests include the characterization of natural raw material and their environmental and agricultural applications, and wastewater treatment and biotechnology. He has co-authored 10 refereed journal publications besides one book. He presented and participated in many local and international conferences.