Perez-de-Acha-Gisela-1140x760 - Gisela Perez de Acha

Investigative Reporting Program

Gisela Pérez de Acha

Investigative Reporter and OSINT Instructor

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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.