Nelson Fonseca

President & Chief Executive Officer at Cyxtera


Nelson Fonseca has more than 20 years of experience as an IT executive with expertise in IT infrastructure operations, sales, business development, telecommunications, and government contracting.

Fonseca served in positions of increasing seniority at Terremark from 2001 through 2012, most recently as President. In that role he was responsible for managing Terremark's cloud, internet data center and managed security business that included 3,500 employees, over $1.5 billion in revenue and operations in 19 countries.

Since October 2012, Fonseca has served as a Partner of Medina Capital where, among his other responsibilities, he has focused on providing strategic advice and counsel to Medina Capital portfolio companies in the areas of operations, strategy, business development, mergers and acquisitions, international business and government contracting. He started his professional career as an engineer in the wireless network division at Nortel Networks and held various business development positions at Telcordia Technologies, formerly Bellcore. Fonseca received his bachelor’s degree in Computer Science from Barry University and his master’s degree in Business Administration from the University of Miami.


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  • President & Chief Executive Officer

    Current role

  • Chief Executive Officer and Director

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