Óscar Arias Sánchez (1985) - Nobel Peace Prize laureate and former President of Costa Rica, recognized for his efforts in promoting peace in Central America.
Rigoberta Menchú Tum (1992) - Nobel Peace Prize laureate, known for her work on indigenous rights and social justice in Guatemala.
José Ramos-Horta (1986) - Nobel Peace Prize laureate and former President of Timor-Leste, noted for his efforts towards a peaceful solution to the conflict in East Timor.
Wangari Maathai (2004) - Nobel Peace Prize laureate, founder of the Green Belt Movement, and the first African woman to receive the Nobel Peace Prize.