Retired in 2011 after having spent 26 years at Microsoft Corporation. Eugenio was last Chief Operating Officer for the Microsoft Greater China Region; previously held positions include Microsoft Vice President in Latin America, VP US Southeast region, and General Manager Microsoft Australia and Argentina. He is one of the founders of Microsoft Latin America.

A co-founder of Microsoft Latin America, he retired in 2000. While at Microsoft, he held various leadership roles, including managing more than 20 subsidiaries of Microsoft Latin America and overseeing South East Asia as Vice President. He is the founder of Colexium and is on the board of Publicly traded companies in the U.S.

Serial entrepreneur with various successes in the video game industry. Esteban is currently VP at DeNA, a leading mobile social gaming company headquartered in Tokyo with offices around the world. He was Co-founder and CEO of social game developer, Atakama Labs, which was acquired in October of 2011 by the DeNA Group (TYO:2432).

He is the founder and CEO of Wanako games, a console, PC, and online videogame development company which earned numerous awards including Game of the Year 2006 for Xbox Live by IGN.com. The company was later on sold to Vivendi. During his earlier career,  Esteban held leadership positions in the VC and Private equity world.