Mariano Castillo

Mariano Castillo is a journalist and editor for CNN and an adjunct instructor of writing for public communication at Kennesaw State University. He joined CNN in 2009 as a digital journalist with CNN en Espańol, and has reported on major events in the U.S. and Latin America, including the the immigration crisis in the Dominican Republic and the lessons it holds for U.S. policymakers, the genocide trial of former Guatemalan president Efrain Rios Montt and the rescue of Chilean miners. Before joining CNN, he was a correspondent for the “San Antonio Express-News” along the U.S.-Mexico border. “Foreign Policy” magazine has twice included Mariano in its annual "Twitterati 100," a list of top people to follow on global affairs. As an Overseas Press Club Fellow, he travelled to Mexico City to work in Reuter’s bureau and was awarded a Soros Fellowship for New Americans in 2008 to support his work towards a Master’s of International Affairs at Columbia University. Updated 2018