Stefano Palminteri is Research Director at INSERM and leads the Human Reinforcement Learning team at ENS-DEC. His research, published in top journals like Nature Human Behaviour, has earned prestigious grants and awards, including an ERC Consolidator Grant and the Humboldt Foundation's Bessel Prize. Valentin Wyart is Research Director at INSERM and leads the Cognitive Variability team at ENS-PSL in Paris, France. His research has studied the psychology and neurophysiology of human decision-making, from visual decisions to value-based decisions, made under adverse conditions characterized by different forms of uncertainty.