Freedom of Expression


Ona FloresOna Flores
Human Rights Specialist | Telephone: (+1) 202-370-9868

Ona Flores works as a Human Rights Specialist at the Office of the Special Rapporteur for freedom of expression of the IACHR since March, 2013. She was a researcher and Academic Coordinator of the Women Program, Gender and Human Rights at the Centre for human rights of the University of Chile (2011-2012) and Senior Lawyer at the Secretariat of the Inter-American Court on Human Rights (2003-2010). She studied Law at the Universidad Católica Andrés Bello in Venezuela (1997-2002) and completed graduate studies in Columbia Law School N.Y.(2007). She was a Fulbright scholar and received the Harlan Fiske Stone Scholar distinction from this University.


Melissa CabreraMelissa Cabrera
Project Manager | Telephone: (+1) 202-370-4614

Melissa Cabrera is Project Manager at the Office of the Special Rapporteur. Responsibilities include the designing, coordinating and monitoring of activities of the Office of the Special Rapporteur, procuring funds for its operation, communicating with donors and strategic partners, financial management and strategic planning. She holds a degree in International Relations from Universidad del Norte in Barranquilla, Colombia, and holds a Master's Degree in International Development from Sciences Po París. Prior to working at the IACHR, she was a Project Officer at the OAS Secretariat for Multidimensional Security, which included the implementation of training programs for security officers and justice operators in the region.


Tatiana GuastiTatiana Guasti
Human Rights Specialist | Telephone: (+1) 202-370-4463

Tatiana Guasti began working at the IACHR as a fellow in the Protection Group, and since January 2015 she has worked as a lawyer in the Office of the Special Rapporteur for Freedom of Expression. She holds a Master's Degree in International Humanitarian Law from the Geneva Academy of International Humanitarian Law and Human Rights. Previously, she worked with non-governmental organizations based in Switzerland and national and international institutions such as UNDP - with monitoring issues related to minorities and civil society, the Organization of American States and the Federal Court of the state of Espírito Santo in Brazil.


Casilda HeviaCasilda Hevia
Project Assistant | Telephone: (+1) 202-370-0816

Casilda Hevia is the administrative officer of the Office of the Special Rapporteur since 2015. She is responsible for organizing and coordinating the logistical aspects of academic and official visits, as well as outreach activities. She also assists the Project Officer in the drafting of project proposals, narrative and financial follow-up reports. National of Spain, Casilda has a B.A in History from the University of Exeter (UK) and an MA in Latin American studies from Georgetown University. Prior to joining the Office of the Special Rapporteur's team, Casilda worked in the communications and research areas of civil society organizations in Chile and Washington DC.



Viviana OrdonezViviana Ordoñez
Human Rights Specialist | Telephone: (+1) 202-370-0807

Viviana Ordoñez joined the Office of the Special Rapporteur in July 2015 as a lawyer responsible for drafting  technical concepts on precautionary measures and providing technical support in training activities for judicial officials in the region. Her previous work with the Fundación para la Libertad de Prensa (FLIP) in Colombia as a legal adviser gave her experience in issues related to protection of journalists, impunity in crimes against journalists, censorship and access to public information. She is a lawyer from the Pontificia Universidad Javeriana in Colombia.