Andrea Cimatti is full Professor of Astrophysics at the Università di Bologna. He has worked in Germany, the USA, and Italy at the INAF Arcetri Astrophysical Observatory. His research uses the largest telescopes in space and on Earth to study galaxies and cosmology. He is one of the founders of ESA's Euclid space mission. He is a recipient of the Bessel Prize of the Alexander von Humboldt Foundation, among others. He teaches courses on fundamental astronomy and on galaxy formation and evolution. He has published key papers based on observational studies of distant galaxies.