Guilherme Baruselli
Summary
Results-driven Business Intelligence Analyst with a proven track record at LUZ, leveraging SQL and Power BI to automate data processes and enhance operational efficiency. Skilled in data visualization and cross-functional collaboration, I help foster a data-driven culture while delivering actionable insights that support strategic decision-making and optimize business performance.
Overview
5
5
years of professional experience
1
1
Certification
Work History
Business Intelligence Analyst
LUZ
São Paulo, São Paulo, Brazil
07.2023 - Current
- Analyzed business and customer data trends to generate actionable insights and support strategic decision-making.
- Developed and maintained customized dashboards and reports using BI tools such as Power BI.
- Automated routine data processes using SQL scripts and ETL tools, reducing manual errors and increasing operational efficiency.
- Collaborated with cross-functional teams to gather business requirements and integrate disparate data sources.
- Created data models and queries to extract, transform, and analyze data from multiple systems.
- Conducted data quality audits and validations to ensure accuracy, consistency, and reliability of reporting.
- Presented insights to stakeholders and senior leadership through interactive dashboards and data-driven recommendations.
- Generated ad-hoc and recurring reports to evaluate business performance and support decision-making during strategic initiatives.
- Supported and promoted a data-driven culture by standardizing reporting practices and mentoring junior analysts.
- Designed and implemented data governance procedures to enhance data integrity and alignment across departments.
Business Intelligence Intern
LUZ
São Paulo, São Paulo, Brazil
09.2022 - 06.2023
Internship Student
Saint-Gobain Brasil
São Paulo, São Paulo, Brazil
01.2021 - 06.2021
- Contributed to an inventory management project applying the PDCA methodology to improve operational processes.
- Analyzed performance data, identified inefficiencies, and supported the implementation of corrective actions.
- Collaborated with cross-functional teams to streamline workflows and monitor project outcomes.
- Created and presented reports and recommendations to stakeholders, enhancing communication and decision-making.
- Awarded the Yellow Belt Planning Certification by Falconi , based on project evaluation through a university partnership.
- Demonstrated adaptability, strong work ethic, and consistent delivery of high-quality outputs in a real-world business environment.
Education
MBA - Data Science E Analytics
USP/Esalq
São Paulo, Brazil02-2026
Bachelor - Business Administration
Insper
São Paulo, Brazil06-2023
Skills
- Business Intelligence & Data Analysis
- Data Visualization & Dashboard Design
- SQL & Python for Data Querying and Automation
- Data Integration & ETL Processes
- Database Management & Data Mapping
- Advanced Excel & Spreadsheet Automation
- Reporting Standardization & Performance Monitoring
- Process Optimization & Business Efficiency
Languages
English
Advanced (C1)
Spanish
Elementary (A2)
French
Elementary (A2)
Italian
Elementary (A2)
Certification
TOSA Excel 365 Certification
Timeline
Business Intelligence Analyst
LUZ
07.2023 - Current
Business Intelligence Intern
LUZ
09.2022 - 06.2023
Internship Student
Saint-Gobain Brasil
01.2021 - 06.2021
MBA - Data Science E Analytics
USP/Esalq
Bachelor - Business Administration
Insper