Katie Polglase is an Investigative Researcher based at CNN's London Bureau.

Polglase began her CNN career as a news desk intern and then worked as a freelance producer. Since becoming an Investigative Researcher, Polglase has contributed to CNN investigations into Russian troll farms in Ghana and the Emmy nominated investigation into child abuse in the Catholic church.

She has also published pieces on the coronavirus pandemic including investigations into potential vaccines and the use of unreliable data.

Polglase won the Association for International Broadcasting's (AIB) Impact Award and the AIB's Award for Investigative Documentary TV and Video for a year-long investigation into child abuse in the Catholic church. The investigation was also shortlisted for the Foreign Press Association's Print & Web Story of the Year. Her work on the investigation into Russian troll farms in Ghana was a finalist for the Alfred I. duPont-Columbia University Award.

Polglase holds a Bachelor's degree in Asian and Middle Eastern Studies from the University of Cambridge. She is fluent in English, Arabic and Spanish, and studied abroad in Jordan.