Željko obtained undergraduate degrees in mechanical engineering and physics from the University of Zagreb, Croatia, in 1990 and 1991, and his Ph.D. in physics from the University of Kentucky in 1995. Željko’s scientific interests are in detection, analysis and interpretation of electromagnetic radiation from astronomical sources, including applications of statistics, datamining and machine learning methods. He has co-authored over 300 refereed scientific publications and his current obsession is the Large Synoptic Survey Telescope project (LSST/ Vera C. Rubin Observatory), for which he serves as the Project Scientist and the chair of the LSST Project Science Team.In many ways similar to SDSS, which provided to us the first large digital color snapshot of thefaint optical sky, LSST will deliver a digital color movie of the night sky by collecting 100,000,000 GB of astronomical imaging data.