Mariano Castillo

Mariano Castillo joined the Texas A&M faculty in 2024 as a professor of practice in journalism. In addition to news writing and editing, Mariano’s areas of interest include media literacy, misinformation, ethics, and reporting on immigration and Latin America. 

Before arriving at the Department of Communication and Journalism, Mariano was a senior director of standards and practices at CNN. Previously, Mariano was a writer and editor for CNN Digital, where his area of focus was coverage of Latin America for U.S. audiences. 

Prior to CNN, Mariano was a correspondent for the San Antonio Express-News based along the U.S.-Mexico border, first in the Rio Grande Valley and later Laredo. 

Courses Taught

• Political Reporting
• Media Literacy in the Digital Age 
• Editing for Mass Media