Nelson Calero Pythian

Oracle ACE Director

Nelson Calero is a Computer Engineer and Oracle ACE Director based out of Montevideo, Uruguay.He has been involved with Oracle technology since 1996, specializing in architecture, administration, and performance for VLDBs and HA environments. After a few years providing consulting in both the private and public sector throughout Latin America, he joined Pythian in 2014, working now as an Oracle Projects Engineer.In addition to being the Founder and President of the Uruguayan Oracle User Group (UYOUG), Nelson is helping to develop the Latin America Oracle users community (LAOUC) from the boards of directors, is frequently speaking at industry events, and Instructor at Oracle University.


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The conference is organized by the Croatian Association of Oracle users. More about the association can be found at

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