Prof. Dimitrios G Aggelis has been a Professor of the Department of Mechanics of Materials and Constructions at the Vrije Universiteit Brussel since October 2012. Before this position, he worked as an Assistant Professor in the Department of Materials Science and Engineering at the University of Ioannina, Greece (2008–2012), and as a Research Fellow at the Research Institute of Technology, Tobishima Corporation, Japan (2006–2008). He received his Ph.D. from the Mechanical Engineering and Aeronautics Department of the University of Patras in 2004 and his diploma in Mechanical Engineering from the same department in 1998. His main areas of interest include the characterization of cementitious materials, as well as composites and metals, by using non-destructive inspection techniques focused on elastic wave propagation. He is an active member of several technical committees of RILEM, the vice-chair of 269-IAM (Damage Assessment in Consideration of Repair/Retrofit-Recovery in Concrete and Masonry Structures using Innovative NDT), and was the recipient of the world RILEM Robert L’Hermite medal in 2012 for his contribution in the field of construction materials. He is Editor-in-Chief of the journal Developments in the Built Environment, editor of the journal Construction and Building Materials, the acoustics Section-Editor-in-Chief of Applied Sciences, Associate Editor of Materials and Structures, and an Editorial Board Member of NDT&E International and Sensors.