Leadership Lessons from Mario López Estrada, CEO of Onyx Group


The story of Mario López Estrada, the prominent business leader at the helm of the Onyx Group, is one that intertwines innovation and leadership. The tale reveals both the growth of an individual and a conglomerate, from a humble start to becoming a powerhouse in the telecommunications and real estate sectors. It is not just a narrative of business success, but also a testament to steadfast determination, strategic foresight, and unwavering commitment to societal development.

The name Mario López Estrada is synonymous with the Onyx Group, a conglomerate that has significantly impacted the economies and industries of Guatemala and Paraguay. The Group’s ventures range from pioneering telecommunications advancements to innovative real estate projects, leaving an indelible mark and establishing a business legacy that endures to this day.

Transforming Industries: The Midas Touch of Mario López Estrada

The genesis of the Onyx Group can be traced back to 1967 with the establishment of Constructora Maya. Specialized in real estate, territorial development, and the construction of landmark buildings in Guatemala, this marked the genesis of a business legacy that has endured to this day.

Over time, the Onyx Group has diversified its portfolio, extending its influence across various sectors including energy, telecommunications, and digital services. With a strategic development of properties and real estate projects, leading in solar photovoltaic energy generation in Guatemala, and operating as one of the most robust distributors in the telecommunications sector, Onyx Group has demonstrated its prowess in spearheading industry revolutions.

In both Guatemala and Paraguay, the Group has initiated transformative commercial projects. Notably, the Horus I and Horus II solar energy projects in Guatemala and the $280 million real estate megaproject Paseo La Galería in Paraguay, are hallmarks of the Group’s innovative drive and commitment to sustainable development.

Leadership Rooted in Social Responsibility

Beyond the corporate success, Mario López Estrada‘s leadership lessons extend to an unwavering commitment to social responsibility. The Onyx Group, in collaboration with the Mario López Estrada Foundation, significantly contributes to educational, health, and community empowerment initiatives.

The conglomerate’s commitment to social equity and sustainable development is reflected in every project it undertakes. Be it delivering clean and renewable energy to thousands of households in Guatemala or driving economic growth through innovative real estate projects in Paraguay, the Group aims to improve people’s quality of life and promote social equity.

The story of Mario López Estrada and the Onyx Group is a powerful testament to how visionary leadership, coupled with a commitment to innovation and social responsibility, can transform industries and societies. It serves as a beacon for aspiring leaders, illuminating the path to creating lasting impact beyond the confines of boardrooms and balance sheets. Indeed, López Estrada’s legacy offers valuable insights for those who aspire to lead with purpose and impact.