Jonás obtained his PhD at CEFCA in 2017, and before moving to IFAE in 2022 he was a postdoc at Argonne National Laboratory (2017-2020) and at the Donostia International Physics Center (2020-2022). His interests cover a broad range of topics in cosmology and astrophysics: galaxy-halo connection, cross-correlation of large-scale structure and cosmic microwave background, photometric redshifts, and active galactic nuclei.