Alexis THOUMAZEAU, 25 years old is graduated of a master in agricultural sciences from Ecole Supérieure d’Agriculture d’Angers (2015) and specialised in agricultural and soil sciences in the tropics. After his master, Alexis started a PhD at CIRAD in 2015 both within the UMR Eco&Sols and the UPR Perenial crops systems. His PhD topic is focused on the integration of the soil qualtiy within environmental assessment frameworks. After having spent half his PhD in Thailand for field works under rubber tree plantations developping a new approach to assess soil functioning, Alexis works on the integration of the soil quality in the LCA. His research topics are : environmental assessment, indicator, LCA, soil quality, perenial cropping systems.