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Johnny Bretas
Sr Occupancy Management Analyst @Órigo Energia
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WORK HISTORY
Sr Occupancy Management Analyst @Órigo Energia
Sao Paulo, BR
I created predictive algorithms that increased forecast accuracy by at least 15%, reaching 34% in a few months, outperforming models used by external consultants.I developed robots and automations in Python and Excel macros that reduced over 40 hours of manual work per month, in addition to optimizing critical processes such as sending lists to distributors, which went from 11 hours to just 5 minutes.I implemented database-integrated dashboards, bringing security, scalability, and visibility to the Engineering and OEM departments, generating managerial and strategic insights for more assertive decisions.I conducted strategic and financial analyses that resulted in greater efficiency in energy allocation, detected revenue losses, and created new revenue opportunities, ensuring that energy is sent to the right place.I structured operational and financial KPIs, reinforcing process integrity and directly supporting business profitability and performance.
EDUCATION
Data Science Academy
Microsoft Power BI
School of Investments
Financial Investment Management
Prandiano - Museu da Matemática
Applied Mathematics
FM2S Educação e Consultoria
Lean Six Sigma - Yellow Belt
Data Science Academy
Python
MBA USP/Esalq
Business Management
Mairo Vergara Idiomas
English
Uninove - Universidade Nove de Julho
Bachelor of Engineering - BE
ABOUT JOHNNY BRETAS
I\'m a senior data analyst and specialist in planning and performance, with over 7 years…
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