• Bachelor of Natural Science (Animal Science) Western Sydney University - Graduated 2017.
  • Masters of Research Western Sydney University - Graduated 2019


  • Charalambous, R. and E. Narayan (2019). "Cortisol measurement in koala (Phascolarctos cinereus) fur". Journal of Visualized Experiments. Vol. 150, pp. 1-7.
  • Charalambous, R. and E. Narayan (2020). "A 29-year retrospective analysis of koala rescues in New South Wales, Australia". PLoS One. Vol 15. No. 10. pp. 1-14.
  • Janssen, K. Marsland, C. Barreto, M O. Charalambous, R. Narayan, E (2020). "Identifying the Stressors Impacting Rescued Avian Wildlife". Animals (Basel). Vol. 10. No. 9. pp. 1-9.
  • ┬áNarayan, E. and R. Charalambous (2021). Applications of minimally invasive immune response and glucocorticoid biomarkers of physiological stress responses in rescued wild koalas (Phascolarctos cinereus). Conservation Physiology: Applications for Wildlife Conservation and Management. Oxford, Oxford University Press. Vol. 1.