
Investigative Reporting Program
Gisela Pérez de Acha
Investigative Reporter and OSINT Instructor
Connect With Me:
Sessions & Dates:
- Investigating Extremism on Friday, May 2, 2025
- Staying Safe Online: A Hands- On Digital Security Workshop for Journalists on Sunday, May 4, 2025
Gisela Pérez de Acha is an open source investigative reporter specializing on extremism, disinformation and environmental issues. She has a Polk Award for her work in Frontline’s film American Insurrection and was part of an Emmy award-winning team at the New York Times for a story about The Siege of Culiacán. Gisela pioneered a unique partnership between the Investigative Reporting Program and the Human Rights Center to teach a first-of-its-kind Open Source Investigative Reporting class at Berkeley Journalism. She taught OSINT at Under the Volcano, a prestigious writer’s fellowship, and works as a cybersecurity consultant with PEN America. Born and raised in Mexico, Gisela was trained as a lawyer before becoming a journalist. She speaks fluent Spanish, English, French and Portuguese.