Dr. Krzysztof Grzelak is currently affiliated with the Faculty of Mechanical Engineering, Military University and Technology, Poland. He is a member of the reviewer board of the journal Machines. He has published over 45 papers, with an H-index of 11 (Scopus, 26 December 2023). His research interests are focused on the study of laser beam welding; hybrid laser arc welding; additive manufacturing; the mechanical behavior of materials.