About Donie
Irish-American journalist born in 1991 in Cahersiveen, County Kerry. Senior correspondent at CNN since July 2024, covering the intersection of politics, culture, and technology. Specializes in reporting on online misinformation, conspiracy theories, extremism, and radicalization. Gained prominence for live reporting during the January 6, 2021 Capitol attack. Has hosted multiple CNN documentary series including MisinfoNation specials and Devoted with Donie O'Sullivan (2025). Holds degrees from University College Dublin and Queen's University Belfast.
Photo: Web Summit / Wikimedia Commons, CC BY 2.0
Categories
Known for
- Live reporting on the 2021 US Capitol attack
- Covering online misinformation and conspiracy theories
- Investigating social media platforms' handling of hate and extremism
- Reporting on Russian disinformation campaigns before the 2016 election
- Hosting CNN documentary series on conspiracy theories and extremism
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