Angelo Gilio received his degree in mathematics from the University of Rome “La Sapienza”, Italy, 1973 (thesis supervisor: B. de Finetti). Research grant from CNR, Rome, 1974, and a four-years contract from the Engineering Faculty of University of Rome, 1976-1980. Researcher at the University of Rome “La Sapienza”, 1980-1994. Full professor of probability theory at the University of Catania, 1994-2000. Full professor at the University of Rome “La Sapienza”, 2001-2014; member in the scientific board in Ph.D. program in mathematical methods and models. From November 2014 he retired. Research interests: subjective probability, penalty criterion for conditional events, coherent conditional probability, algorithms for coherence checking and propagation, probabilistic reasoning under coherence, imprecise probabilities, probabilistic nonmonotonic reasoning, coherence-based probabilistic approach to cognitive psychology, logical operations among conditional events, characterization of p-entailment by conjoined and iterated conditionals.