Mehdi Moussaid
Actor · b. 1981 · Rabat, Morocco
Mehdi Moussaïd, born July 23, 1981 in Rabat (Morocco), is a French cognitive sciences researcher, popular science communicator and web video creator. Born to a French mother and Moroccan father, he studied at the Lycée Descartes in Rabat and then trained as a computer engineer at École polytechnique universitaire de Nantes. He defended his PhD thesis in ethology in 2010 at Toulouse-III-Paul-Sabatier University under the supervision of Guy Théraulaz and Dirk Helbing, earning the 2011 Prix Le Monde de la recherche universitaire. He joined the Max-Planck Institute for Human Development in Berlin as a postdoctoral researcher in cognitive sciences, where he soon obtained a permanent position. He is best known for his crowd-behavior YouTube vulgarization channel Fouloscopie, created in 2018. He moved to La Rochelle in 2023. In 2019, he published Fouloscopie: ce que la foule dit de nous (HumenSciences, illustrated by Wozniak, 224 p.), and in 2025 his second mainstream essay A-t-on besoin d'un chef? The same year, he founded Fouloscopie Lab, a training organization specializing in collective intelligence.
Series1
TVDocumentaryRealityWELCOME TO THE VORTEX! A roommate to mix them all, a roommate to listen to them all, a roommate to learn from all and in the Vortex bind them together. When science popularizers find themselves living together, it is impossible to avoid heated debates. Here, they mingle with what concerns them (or almost) and talk about what is important to them while making sure to keep hot water for others.