Sebastián Rosales is an Argentine lawyer (Universidad Nacional del Litoral), PhD in Public, Comparative and International Law (Sapienza Università di Roma) and career diplomat with extensive experience in international law, in particular international human rights law. During his diplomatic career, he worked in the Directorate for Human Rights of the Argentine Ministry of Foreign Affairs in different capacities as well as in the Directorate for International Organisations. He was Director General on International Affairs on Drugs. He worked in the Argentine Mission in Geneva where he was responsible for the Human Rights Council and all its mechanisms. He was the Chief of the Legal and Human Rights Sections of the Argentine Embassy in Italy.