Maciej T. Krajcarz is an associate professor and a senior researcher at the Institute of Geological Sciences of the Polish Academy of Sciences. He is also a head of the Stable Isotopes Laboratory at the institute. As a geologist, he is interested in the depositional processes and post-depositional disturbances of sediments in cave environments. Krajcarz’s particular focus is on the impacts of post-depositional geological processes on the taphonomy and preservation of archaeological and paleontological assemblages. He receives funding from the National Science Centre, Poland.