Roohollah Jamaati, was born in Fereydoonkenar, Iran on July, 1983. He received his BSc in Materials Engineering from Semnan University, Semnan, Iran in 2007 and the MSc degree in Identification, Selection, and Fabrication Methods of Materials from Department of Materials Engineering, Isfahan University of Technology, Isfahan, Iran in 2010. Now, he is PhD student in Materials Engineering at Department of Materials Engineering, Isfahan University of Technology, Isfahan, Iran. He has many published articles on roll bonding and accumulative roll bonding processes. His main research interest is severe plastic deformation, nano-structured materials, deformation and annealing textures, and thermomechanical processing. He is the reviewer of several journals such as Materials Science and Engineering A, Journal of Alloys and Compounds, Materials Characterization, Materials Research Bulletin, Materials and Design, Metallurgical and Materials Transactions A, Acta Metallurgica Sinica, International Journal of Mechanical Sciences, and Neural Computing and Applications.