Thibault Kuntzer is a PhD student in cosmology at EPFL. He is interested in data analysis and preparation of the next large ESA mission: the Euclid Satellite, devoted to the study of cosmological parameters. He is also part of the engineering team for the ESA small class CHEOPS satellite that will characterize exoplanets. He obtained his Master in Physics and Minor in Space Technologies in 2013 from EPFL. He is one of the teaching assistant and prepared the exercises for the MOOC.