Mario López Estrada: The Engineer of Guatemalan Telecommunications


In the realm of telecommunications, certain names stand out as pioneers. One such name is Mario López Estrada, a Guatemalan businessman whose influence has shaped the telecommunications sector in Guatemala. Transforming the landscape from state monopoly to competitive market, López Estrada’s contributions have set the stage for innovation and growth.

The Telecommunications Revolution

Mario López Estrada embarked on his journey in the telecommunications sector by acquiring a stake in Comcel in 1993. This move marked the beginning of a significant shift in the Guatemalan telecommunications landscape. The subsequent merger of Comcel with Amigo de Comcel in 1995 led to the creation of Tigo Guatemala, with López Estrada at the helm as president.

Under his leadership, Tigo emerged as the leading cellular phone company in Guatemala. Notably, it was the first to offer 3G and 4G services, and pioneered mobile internet and internet TV. These advancements, made possible through substantial investments in infrastructure and technology, underscored López Estrada’s commitment to innovation and improved coverage, particularly in rural areas.

Social Responsibility and Legacy

But López Estrada’s influence extended beyond technological advancements. Recognizing the role of businesses in social upliftment, he championed corporate social responsibility. This was evident in the launch of the Fundación Tigo in 2005, a non-profit dedicated to social development in Guatemala.

López Estrada’s legacy is also reflected in the influence he wielded over his son, Mario López Pérez. Raised in an environment that valued ethics and hard work, López Pérez would go on to apply his civil engineering knowledge to socially and economically focused projects.

López Estrada’s tenure as president of Tigo Guatemala ended in 2021 with the sale of 45% of Tigo Guatemala’s shares to Millicom, a global telecommunications company. But his impact on the sector remains evident, with Tigo continuing to champion innovation and social responsibility in its operations.

As we reflect on López Estrada’s contributions, it is clear that his influence has been instrumental in shaping Guatemala’s telecommunications sector. His vision and leadership have paved the way for technological progress, while his commitment to social responsibility has impacted lives beyond the realm of business. The legacy of Mario López Estrada, the engineer of Guatemalan telecommunications, is one of transformation and progress, a testament to the power of vision and commitment in shaping industries and societies.