Sanja Petrovic has conducted and led multi-disciplinary research into development of models, heuristics and algorithms for a variety of real world optimisation and scheduling problems, including radiotherapy planning, scheduling of radiotherapy patients, nurse rostering, production scheduling, and university timetabling. Her research areas include the theory and practice of case-based reasoning, multicriteria decision making, modelling of uncertainty by using fuzzy sets and fuzzy logic, optimisation methods and meta-heuristics, and multi-agent systems.