Dr Satoshi Tajima is a Postdoctoral Fellow at the Centre for Hydrogeology and Geothermics, University of Neuchâtel, and the Physics Institute, University of Bern. He earned his PhD from the University of Tokyo in 2025, receiving the Dean’s Award for Outstanding Achievement. His research focuses on surface–subsurface hydrological interactions in coastal environments and the stochastic dynamics of solute transport in porous media, primarily through numerical modelling.