NIKOS ECONOMOU received his B.Sc. (Mineral Resources Engineer, 1998), M.Sc. (Applied Geophysics, 2003), and Ph.D. (Applied Geophysics, 2010) from the Technical University of Crete (T.U.C.), Greece. He works at the Applied Geophysics Laboratory and has been since 1998. He served as Leader of the project “Development of advanced GPR data processing techniques” for the TUD COST Action TU1208 during the years 2013–2017 and as Chief Guest Editor for the Special Issue “Ground penetrating radar signal processing” in the journal “Signal Processing” by Elsevier. His current research interests are related to data adaptive non-stationary signal (GPR and seismic) processing, as well as low-frequency EM modeling.