Claudio Ternullo (University of Catania) holds two PhDs in Philosophy (Pisa, 2005; Liverpool, 2012). Previously, he was a Beatriu de Pinós (Marie-Skłodowska Curie COFUND) researcher and Post-Doctoral Fellow at the University of Barcelona, the Kurt Gödel Research Center for Mathematical Logic (University of Vienna), and the University of Tartu.

His research interests include logic, philosophy, and the foundations of mathematics, with a particular focus on the philosophy of set theory. His work has concentrated on the set-theoretic multiverse, new axioms (and their justification), mathematical platonism, abstraction principles, neo-logicism, and the history of logic.

He is the author of several specialized articles and two monographs on these topics.