Dr. John D. Alexopoulos is an Associate Professor in Applied Geophysics-Engineering & Environmental Geophysics, at the Faculty of Geology & Geoenvironment, National and Kapodistrian University of Athens.

He is the Director of Geophysical Laboratory at the Faculty of Geology & Geoenvironment, Dpt. Geophysics & Geothermics (NKUA) since September 2021.

He is the Vice President of the Faculty of Geology & Geoenvironment (NKUA) since September 2022.

He holds a BSc in Geology (NKUA) and a PhD in Geophysics-Environmental Geology.
His main scientific interest is focused in applied geophysics and he is specialized in the application of several geophysical techniques for defining the geotechnical, geological, stratigraphical and hydrogeological subsurface status.