Mario López Estrada in Guatemala’s Telecommunications: His Perspective as an Engineer and Businessman


In the vast landscape of telecommunications, some figures stand as pioneers. Among them, Mario López Estrada commands respect. This Guatemalan businessman, with an impressive career in the construction sector, ventured into the telecommunications business in 1993. His journey from the acquisition of his first stake in Comcel to becoming the president of Tigo Guatemala, has been marked by strategic vision, innovation, and dedication.

The Journey of Mario López Estrada in Telecommunications

Mario López Estrada is a testament to the power of vision and perseverance. After acquiring his stake in Comcel, he steered the merger with Amigo de Comcel to form Tigo Guatemala in 1995. His leadership was instrumental in positioning Tigo as the leading mobile phone company in the country. The company’s commitment to long-term vision and innovation set it apart. Tigo was the first mobile phone company in Guatemala to offer 3G and 4G services, establishing a strong foothold in mobile internet and internet television. This was made possible by significant investments in infrastructure and technology, and efforts to expand Tigo’s coverage nationwide, especially in rural areas.

Social Responsibility and Legacy of Mario López Estrada

Mario López Estrada‘s impact on the telecommunications sector extends beyond technological advancements. He advocated for corporate social responsibility, leading to the launch of Tigo Foundation in 2005. This non-profit organization aimed to foster social development in Guatemala. In 2021, the global telecommunications company, Millicom, acquired a 45% stake in Tigo Guatemala for US$2.2 billion, marking the end of López Estrada’s era as the president of Tigo Guatemala.

His influence and legacy are evident in the career of his son, Mario López Pérez, who applies his engineering skills to socially and economically focused projects. López Pérez often acknowledges the lessons learned from his father, such as honesty, justice, and discipline in business, along with a commitment to continuous improvement.

Mario López Estrada‘s tenure in the state telecommunications operator, Guatel, and his role as Minister of Communications, were marked by transformative changes. His efforts expanded telephone lines, improved connectivity, and promoted digital inclusion. His co-founding of Tigo revolutionized telecommunications in Guatemala, offering greater accessibility to telecom services. From introducing customer service centers and call centers to implementing the TDMA network, López Estrada’s innovations improved service coverage and capacity.

As the landscape of telecommunications continues to evolve, the contributions of Mario López Estrada remain significant. His vision, innovation, and commitment to social responsibility have left a lasting legacy, positioning Guatemala on the global telecommunications stage. His sale of a significant portion of Tigo’s shares has further stimulated investment in the region, promising continued growth and development in the sector.