Celso Bessa is a digital and information security consultant at Open Briefing, with a wealth of experience in technology and human rights. Since transitioning from an 18-year career in the private sector in 2018, he has focused on advising academics, activists, NGOs, and philanthropies worldwide, with a particular emphasis on Latin America. Celso specialises in digital security audits, training, and research – helping human rights defenders and organisations address complex security challenges. Celso is a member of the steering committee of the Public Interest Technologist Network and was previously a Tech Exchange Media Democracy Fund (MDF) fellow with Consumers International and Dejusticia. He is fluent in Portuguese, English, and Spanish, and splits his time between Brazil and Colombia.