Jairo Hernández holds degrees in political science and law (University of Costa Rica) and international relations (Fletcher School of Law and Diplomacy, Tufts University [United States]).
Professionally, Hernández has served at the highest levels in the Costa Rican government, including four years in the office of the President of Costa Rica. His diplomatic career encompassed ambassadorial assignments in New York, Singapore, and Australia. He has visited 90 countries and territories.
He has vast experience as professor and researcher at the University of Costa Rica, National University of Costa Rica, FLACSO (Latin American Faculty of Social Sciences), ICAP (Central American Institute of Public Administration), University for Peace, ICDS (International Center for Development Studies), and Simmons College (United States). Hernández also represented Latin America and the Caribbean as Vice President and Member of the Executive Council of the World Federation of UNESCO Clubs, Centers and Associations.