Tes Osborne mostly recently worked on a research project funded by the European Union that explored the drivers of radicalization and violent extremism across the Middle East, Maghreb, and the Balkans. Her extensive professional experience in the Middle East includes acting as the World Vision North West Syria Emergency Response program officer; independently setting up an education program for children in the West Bank; working with the Palestinian Circus School to promote theater and the arts as a tool for conflict transformation; and supporting youth leadership for a Jordanian peacebuilding organization. She has also volunteered with a safe house in rural Romania, a health-based initiative in India, an outreach program for asylum seekers in the United Kingdom, and a community livelihood project in Ghana.
Tes graduated with first-class honors from the University of Sussex and studied Chinese philosophy and culture at the Chinese University of Hong Kong. As a master of global affairs student, she is the recipient of a Kroc Institute Fellowship.