Joan Montero received his PhD at the University of Barcelona, under the supervision of Prof. Fernández-Checa and Dr. Anna Colell. After graduating, he joined Prof. Letai laboratory as a post-doctoral researcher to specialize in cell death and precision cancer medicine, and he pioneered a novel functional assay to predict anti-cancer therapy response in patients called dynamic BH3 profiling (Montero et al., Cell 2015). At present, he is an independent Ramon y Cajal researcher at the Institute for Bioengineering of Catalonia (IBEC) where he is developing new functional tools and personalized therapies, with a special focus on pediatric cancer, to find better treatments for patients.