Bals was born 25 August 1977 in Antwerp. She was educated in physics at the University of Antwerp, earning a master's degree in 1999 and completing her Ph.D. there in 2003. Her dissertation was
Optimisation of superconducting thin films and tapes by transmission electron microscopy. After postdoctoral research in the
National Center for Electron Microscopy at
Lawrence Berkeley National Laboratory and at the University of Antwerp, she became an assistant professor at the University of Antwerp in 2007. She was promoted to associate professor in 2012 and full professor in 2018. ==Recognition==