When she was only six years old, she would look at National Geographic magazines and imagine herself working for them in the future.
After her primary education she moved to Scotland to study marine and environmental biology at the University of St. Andrews.
De Vos is the first and only Sri Lankan to gain a PhD in marine mammal research.
De Vos is also an invited member of the IUCN Species Survival Commission’s Cetacean Specialist Group. She was a post-doctoral scholar at the University of California Santa Cruz and a guest blogger for National Geographic.
She founded the non-profit Oceanswell, Sri Lanka's first marine conservation research and education organization.