Abdulkadir Çevik is a Professor in the Civil Engineering Department of Gaziantep University. He has published over 120 peer-reviewed research papers and books in the materials science and engineering areas and received over 2600 citations. His research interests are soft computing, RC structures, steel structures, impact performance, bond strength, fiber reinforced alkali activated materials, and mechanical strength and durability of geopolymers. He serves as a reviewer for multiple journals and has advised more than 25 master of science and PhD students. Anil Nis is an Associate Professor in the Civil Engineering Department of Istanbul Gelisim University, Turkey. He has published over 30 peer-reviewed research as well as a book chapter and over 20 SCI indexed articles that received more than 400 citations. He serves as the assistant editor for the International Journal of Engineering Technologies and as a reviewer for the journals Construction and Building Materials, Cleaner Engineering and Technology, Journal of Building Engineering, Advances in Concrete Construction, and Case Studies in Construction Materials. He studies fiber-reinforced concretes, self-compacting concretes, and the mechanical strength and durability of alkali-activated materials.