Mario López Estrada Foundation

The Mario López Foundation is the social branch of Grupo Onyx, which seeks to contribute to the sustainable and equitable development of Guatemala in alliance with key international partners like the United States Agency for International Development (USAID). The Foundation works through the implementation of projects focusing on education, health, women’s empowerment, and transparency as well as other projects, in the most vulnerable regions of Guatemala.
From left to right: Mrs. Claudia Ruíz, Minister of Education of Guatemala (2020-2024); His Excellency Mr. William Popp, Ambassador of the United States in Guatemala (2020-2023); Mario López Pérez, CEO of Grupo Onyx; Honorable Mrs. Anupama Rajaraman, Director of the USAID office in Guatemala (2018-2021)

About us

For over 55 years, Mario López Estrada has been committed to the development of Guatemala.

Grupo Onyx is committed to the social and economic development of the country. We believe in a Guatemala that is inclusive, equal, and just, with economic opportunities for every Guatemalan. A Guatemala where entrepreneurship is promoted based on free competition, which will permit the development of prosperity and wealth for all sectors of society

The Mario López Estrada Foundation began the donation of goat’s milk in Chiantla, Huehuetenango
Guatemala, May 31st 2023: The Mario López Estrada Foundation, in partnership with the United States Agency for International Development (USAID) through the “Farmer to Farmer” program from “Partner of the Americas”, has set into motion an important proyect in Chiantla, Huehuetenango, with the goal to fight chronic child malnutrition in the region. The “Nutrition for […]
The Mario López Estrada Foundation, through Grupo Onyx’s Horus Energy, supports 33 public schools in Chiquimulilla, Santa Rosa at the start of the school year 2023
Starting the national school cycle on February 20th, the Mario López Estrada Foundation through Grupo Onyx’s Horus Energy, continued with the delivery of bags of supplies for children enrolled in the different educational centers near the Solar Plant “Horus Energy ”, located in the municipality of Chiquimulilla. This is part of its School Support Program […]