**Carlos Martinez (cacu, carlosm2)** was born in Mexico City and has extensive experience organizing digital security workshops, as well as a lot of work with human rights organizations, journalists, software developers, and activists around Latin America. For ten years, he has been involved in Free Software, social movements, and privacy. Carlos is part of Hacklab Autonomo, Hackerspace Rancho Electrónico, and Tierra Comun Tech Cooperative.<br>