Congratulations to Leonardo Comini, who today successfully defended his MSc thesis, by the title of “Testing cosmological models with JWST high-redshift galaxies” (with the opponent being Prof. Albino Perego), receiving the final grade of 110/110. In his thesis which I supervised, Leonardo studied the possibility of testing cosmological models (focusing on dark energy) in a statistically robust way using high-redshift galaxies from JWST, focusing both on photometric and spectroscopic samples, and finding that despite the relatively large error bars some of these samples can indeed give interesting cosmological information. We are planning to write up our results in a paper relatively soon, so stay tuned for more!