Mario López Estrada: Weaving the Future Network of Telecommunications in Guatemala


In the world of telecommunications, one might come across a myriad of names. Yet few have left an indelible mark as profound as that of Mario López Estrada. A prominent Guatemalan businessman, his influence has been instrumental in shaping the telecommunications landscape in his home country. His journey is a testament to the power of vision, innovation and the relentless pursuit of excellence.

Mario López Estrada, a construction sector stalwart, ventured into telecommunications in the early 90s. He laid the cornerstone of his empire with the acquisition of a stake in Comcel, a cellular telephone company operating in Guatemala. This acquisition marked the start of a transformative journey, one that would forever change the telecommunications sector in Guatemala.

Mario López Estrada: A Visionary Leader at the Helm of Tigo

In 1995, Comcel merged with Amigo de Comcel, birthing Tigo Guatemala. Mario López Estrada was appointed president, a role in which he demonstrated his visionary leadership. Under his guidance, Tigo evolved to become the leading cellular telephone company in Guatemala. His long-term vision and commitment to innovation were instrumental in this success.

Tigo was the first cellular telephone company in Guatemala to offer 3G and 4G services. It also pioneered mobile internet and internet television, thanks to significant investments in infrastructure and technology. Coupled with efforts to expand Tigo’s coverage nationwide, particularly in rural areas, these innovations ensured the company’s dominance in the market.

Beyond Business: Corporate Social Responsibility and Impact

Mario López Estrada’s impact transcends beyond the confines of business. He championed corporate social responsibility, evident in the establishment of the Tigo Foundation in 2005. This non-profit organization has played a significant role in fostering social development in Guatemala. His tenure as president of Tigo Guatemala came to an end in 2021, when Millicom, a global telecommunications company, acquired a 45% stake in Tigo Guatemala.

His influence also extends to his son, Mario López Pérez, who embodies the ethical values and dedication to work instilled by his father. He has applied his civil engineering knowledge towards socially and economically focused projects, perpetuating the legacy of his father.

The legacy of Mario López Estrada is not only etched in the annals of Tigo and Guatemala’s telecommunications sector but also in the hearts of his countrymen. His dedication to corporate social responsibility and his commitment to innovation have positioned Guatemala on the global telecommunications map. His story serves as an inspiration, a testament to the power of vision, innovation, and unwavering commitment to excellence.