Luc Illien is a Project Manager and Research Scientist at Helmholtz-Centre Potsdam - German Research Centre GFZ, focusing on the time-dependent properties of the shallow subsurface, specifically groundwater and earthquake damage dynamics from seismic interferometry. Luc has a background in geophysics, with experience in researching seismic waves and earthquake clusters. Luc holds a PhD in Geophysics from the University of Potsdam and has completed various internships and research projects in the field of geomorphology and seismology.