Layheang Song is a former student from both the Institute of Technology of Cambodia (Diploma of Engineering in water resources and rural infrastructure) and the University of Montpellier 2 (Master degree in Hydrology Risks and Environment). He did his master’s internship at the HSM laboratory on the hydrological modelling of small glaciated basins in the valley of Everest. Since then, he is a lecturer and researcher in the Department of Rural Engineering at the ITC. He just started his PhD at GET, within the M-TROPICS critical zone observatory, with the aim of characterizing erosion processes and sediment transport in tropical catchments. Welcome Layheang !