In 1997 Helena Tomas graduated from the University of Zagreb, Croatia after studying Archaeology and Ancient Greek language. She was awarded her D.Phil (Doctor of Philosophy) at the University of Oxford, United Kingdom with a thesis entitled: Understanding the transition between Linear A and Linear B scripts.
Furthering her career in academia in 2006 she was appointed a Lecturer in Aegean Archaeology and Mycenaean Epigraphy at the department of Archaeology at the University of Zagreb; where in 2011 she was promoted to Associate Professor, and was head of the department from 2011 to 2014. In 2015 she was appointed the Director of Graduate studies within this same department.
Tomas, also holds many awards and accolades including a Michael Ventris Memorial Award by the Institute of Classical Studies at London for her work on Aegean Bronze Age scripts (awarded in 2007) and the Alexander Onassis Fellowship in Greece in 2010 (awarded in 2011).