Our MSc student, Jan Havránek, has successfully defended his MSc thesis at Jagiellonian University in Krakow. His thesis, entitled Average nucleotide identity and its applications beyond prokaryotic species delineation, received 5, the highest grade in the Polish academic system, and a distinction. Jan is soon leaving us to pursue an an exciting opportunity in Paris. Janek, it was a pleasure to have you as part of Mostowy Lab. We wish you all the best!