Prof. Majid R. Ayatollahi (Ph.D., University of Bristol, UK, 1998) is a distinguished professor and director of fatigue and fracture research laboratory in the School of Mechanical Engineering at Iran University of Science and Technology (IUST). His main fields of interest are fracture mechanics, as well as experimental and computational solid mechanics. With an h-index=52, he has published more than 280 fully refereed papers in well-known international (ISI) journals (according to Scopus) and more than 300 papers in the proceedings of national and international conferences. Professor Ayatollahi is the author of three books published by Springer International in 2016, 2019, and 2020. He is currently a member of the editorial boards for seven international (ISI) journals and has served as a reviewer for more than 50 international journals. Professor Ayatollahi received several prestigious awards including National Distinguished Professor (2014) from the Iranian ministry of science, research, and technology, which is a highly competitive award in Iran. National Distinguished Researcher award from the same ministry in 2017. National Eminent Professor of the year in Mechanical Engineering, awarded by the Iranian Society of Mechanical Engineers (ISME), 2018. National Distinguished Professor, awarded by the Iranian Academy of Science, 2020 Professor Ayatollahi also received in five consecutive years a prestigious national award from the Iranian Society of Mechanical Engineers for supervising the best theses in mechanical engineering. He was a member of the university research council at IUST for ten years and is currently Irans representative in the Asian Society of Experimental Mechanics. His research lab is now in international research collaboration with several renowned European and East Asian institutions. He has presented numerous plenary/keynote talks in international conferences and universities.