Eleni Ravanis is a student collaborator for the Mastcam-Z instrument onboard the Perseverance Rover. She is a PhD student investigating the surface of Mars and a graduate research assistant at the University of Hawaiʻi at Mānoa, where she assists with Mastcam-Z operations and helps to characterize the geology of Jezero crater. Before moving to Hawaiʻi, Eleni worked for the European Space Agency for 2 years on the Mars Express mission. Her role was in science operations, data processing and data archiving for the Visual Monitoring Camera instrument. She has an MSc in Planetary Science and a BSc in Geography.