Lê Nguyên graduated from the École Polytechnique de Montréal with a PhD in applied mathematics, before working as a post-doctoral researcher at MIT. Since 2016, he has been working as a science communicator at EPFL. He also has his own YouTube channel Science4All, with over 165k subscribers. He is the author of the books "La formule du savoir" on Bayesianism and "Le fabuleux chantier" on AI ethics written with El Mahdi El Mhamdi.