Fabien Dagnat has been a lecturer in the IT department of the IMT Atlantique in Brest since 2002. Doctor since 2001 and HDR since January 2016, he is the leader of the P4S team at Lab-STICC. His field of research and teaching, software engineering, concerns the methods, theories and tools that contribute to improving software development. Within this framework, his work is mainly focused on software safety and security. The aim is to help engineers produce quality software that will perform its functions safely (without bad behaviour) and securely (even in a hostile environment). Both formal and informal models and construction processes are at the heart of its research. After having supervised seven PhD students, he is currently supervising three PhD students who have activities focused on security. From February 2009 to September 2009, he spent a study period at Airbus Defense and Space in Toulouse and then at Thales Alenia Space in Cannes. From August 2017 to August 2018, he spent a second study period in Atlanta, USA, at the Georgia Institute of Technology. Responsible for the IT option at Telecom Bretagne for six years, he is now in charge of the software development course at the IMT Atlantique for one year (TAF DCL). In teaching, he is responsible for teaching concurrent software development, programming languages and compilation.