Elisabetta Caffau is an astronomer who discovered a 13-billion-year-old,[1] low mass,[2] dwarf star named SDSS J102915+172927,[3] or Caffau's Star[4] in 2011.[5] She earned a PhD in observational astronomy from the Paris Observatory in 2009 and completed a one-year post-doctoral program there as well.[6] She received the Gliese fellowship Grant[7] in 2010 and was awarded the Merac Prize for the Best Early Career Researcher by the European Astronomical Society in 2013.[8]