Michael Ballestero

0 (8)

Oracle Big Data Certified Implementation Specialist | San José, Costa Rica

Senior Business Intelligence and Data Analyst consultant with more than 10 years of Information Technology experience, comprised of 2 years of hands-on application development and 10 years of OBIEE experience, focused on the OBIEE and OBIA platform (Informatica, DAC, ODI and OBIEE rpd, answers and dashboards). In-depth knowledge of the complete software development life cycle including requirements analysis, architect solution designs, development, testing, training and end-user support.



IT Convergence
Senior Principal Consultant

National Instruments
BI Tools Architect

Sequifax Costa Rica
OBIEE Specialist



Senior Principal Consultant
IT Convergence (July 2013 - Present)

  • Provide technical direction and leadership to design and implement enterprise BI, Analytics and performance management solutions for internal and external customers within USA (Riverbed Technology, Rosetta Stone, Harvard Business Publishing, Finastra and more )
  • Work with OBIEE 10.x, 11x, 12c configuration for custom and BI Apps implementations, DAC, INFA and ODI ETL tools
  • Troubleshoot client’s OBIEE 10.x, 11x, 12c instances and quickly solve multi-layered problems
  • Conduct project planning and work estimates with project managers
  • Development, support & enhancements of OBIEE 10.x, 11x, 12c
  • Applications for internal and external customers
  • Lead and orchestrate Specialized Solutions using OBIEE 10.x, 11x, 12c
  • Management of OBIEE 10.x, 11x, 12c apps servers in Linux, Windows environments
  • Educate and prepare business towards Business Intelligence initiatives
  • Installation, configuration and analysis of OBIEE 10.x, 11.x,12c x platform solutions.
  • OBIEE 11g-12c upgrade projects
  • OBIEE 11g & 12c high availability installation/administration experience across all components
  • Implementation experience with multiple authentication providers

BI Tools Architect
National Instruments (September 2012 - July 2013)

  • Function as a hands-on BI Architect and guide others in defining and implementing technical specifications for BI solutions using OBIEE 11g
  • Guide technical resources BI projects through design, construction, testing and implementation
  • Help on the development and management BI methodology, OBIEE best practices and standards
  • Provide support and technical guidance to resolve support issues as needed
  • Discuss with BI team about optimization the BI system to support business users and Business Intelligence (BI) applications such as OBIEE 11g
  • Share feedback about current BI systems and advise regarding re design for Dashboards for Sales and Marketing areas

OBIEE Specialist
Sequifax Costa Rica (Abril 2010 - Setiembre 2012)

  • Work with the business Equifax Sales and Orders management teams to align and build a comprehensive library of reports and dashboards.
  • Engage with users at all levels and effectively act as in-house Oracle BI reporting dev.
  • Solution Design roles – working with users to define OBIEE products, dashboard design, oracle Answers reporting, dimensional Data Modeling exposure for OBIEE (custom and pre-packaged analytics), oracle/SQL query, tuning (partitioning, aggregate tables, indexing, caching), working with Oracle database platforms and Data warehouse design.
  • Evaluation of future pre-packaged OBIEE modules and recommend approach.
  • Helping in a complex data architecture and ETL data management, working with security features and models for OBIEE/Reporting, designing and implementation of solutions for business requirements using physical, business and presentation layers of the OBIEE repository, support and work with an established development Siebel CRM team.
  • Finally help in the troubleshooting of the ETL between Siebel CRM data and OBIEE, using Informatica power center tools.

OBIEE Cockpit Owner
Hewlett-Packard (September 2016 - April 2010)

  • Service Owner for a Oracle Siebel Analytics (OBIEE) Project for Finish Product Logistic Cost area of Procter & Gamble in North America. Align the support team located in Manila and Poland in order to satisfy the Customer expectations and SLAs.
  • Work in the management of incidents, changes, problems and improvements of the application.
  • Establish goals, objectives, and policies for the operations team.
  • Develop and implement programs to ensure SLAs meets and customers satisfaction regarding OBIEE reports.
  • Implementation and enhancements in the communications to the customers like: performance review meetings, monthly newsletters, etc

FOBIEE Cockpit Owner
Hewlett-Packard (September 2006 - April 2010)

  • Manage a core of report in OBIEE (Oracle business intelligence enterprise edition) for different subject areas.
  • In charge of development and roll-out the (End-2End) solutions to publish information to the customers in OBIEE data reports.
  • Serve as liaison between stakeholders and software developers in order to elicit, analyze, communicate, and validate requirements for changes to business processes, policies, and information systems.
  • Responsible for translating directions, needs, and processes into functional requirements for individual projects regarding OBIEE.
  • Act as the point of contact between business and technical partners during the execution of development reports.
  • OBIEE query data extraction and analysis according to business requirements.
  • Manage and governance of group genie tool for granting accesses to the OBIEE users.


Universitat de Barcelona
Master’s Degree, Data Management E Innovación Tecnológica  (2016 -2017)

OBS Business School
Master’s Degree, Data Management E Innovación Tecnológica (016-2017)

Universidad de Costa Rica
Intational Master's degree, Industrial Engineering (2010 - 2013)

Universidad de Costa Rica
Bachelor of Applied Science (B.A.Sc.) Computer Science (2001 - 2005)

Technical Skills

Informatica Administration, Data Warehousing, Enterprise Software, Business Analysis, Consulting, Data Modeling, BI Publisher, Analytics, Extract, Transform, Load (ETL), ETL, Dimensional Modeling, Databases, SDLC, Business Intelligence, Oracle BI EE, OBI Apps, RPD, PowerCenter, Informatica, Requirements Analysis, OBIEE, DAC, Business Intelligence Tools, Data Warehouse Architecture,OBI, Business Process, Dashboard, Software Development, Oracle, Solution Architecture, SQL