Arlene B. Tickner is a professor of international relations in the School of International, Political and Urban Studies and co-director of the Colombian Observatory of Organized Crime (OCCO), with a Ph.D. in International Studies from the University of Miami and an M.A. in Latin American Studies from Georgetown University. Her main areas of research include security in Latin America, Colombian foreign policy and Colombian-American relations, critical social theory in International Relations and global South approaches to world politics. She has authored over 75 edited volumes, book chapters and journal articles, in addition to several dozen working papers. Her most recent publications include: International Relations from the Global South: Worlds of Difference (Routledge); “Unsettling Knowledges in Latin America” in Latin America and the Caribbean in Global International Relations (Routledge); “Making Amends: Towards an Anti-Racist Critical Security Studies and IR” in Security Dialogue; “Weaving Worlds: Cosmopraxis as Relational Sensibility” in International Studies Review; and “COVID-19, Democracies and (De)Colonialities,” Democratic Theory. In addition to his academic work, Tickner publishes a weekly opinion column in El Espectador on various international topics.