Esteban was most recently General Manager in Colombia where, in 2014, he led the merger and well-managed integration of Tigo and the fixed-line company UNE.
In his new COO role, Esteban will assist Millicom in streamlining its organization to make way for faster operational delivery of the Group's operational strategy in Latin America.
Prior to joining Tigo Colombia, Esteban was head of Millicom's regional Home and B2B divisions.
From 2009 to 2011, he was CEO of Amnet, a leading service provider in Central America for Broadband, Cable TV, fixed line and data services that was bought by Millicom in 2008.
In 2009, Esteban was appointed Director of TEPAL, the Latin American Association of Cable Broadband Operators and Independent Director, Charter Communications (US).
In 2012, he became Director of Asomovil (Colombian telecommunication industry association); in 2014 he also joined the board of Ruta N, a corporation set up to promote the development of innovative technology-based businesses in Medellin, and was Vice-Chairman of Colombia's national association of public services, named ANDESCO.
In 2016 Esteban joined Sura Asset Management board. Sura is one of Latin America's biggest financial groups. In March 2022 Esteban was appointed to the Board of US Cellular.
Esteban is from Argentina and received a degree in Business Administration from the Pontificia Universidad Catolica Argentina "Santa Maria de los Buenos Aires, and an MBA from the Universidad Austral in Buenos Aires.
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During the last year, insiders at the technology company sold shares 1 times. They sold a total of 49,288 shares worth more than $4,362,480.88. The most recent insider tranaction occured on June, 1st when insider Salvador Escalon sold 49,288 shares worth more than $4,362,480.88.
Learn More about insider trades at Millicom International Cellular. Information on this page was last updated on 6/1/2026.