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A Taofik

@ataofik

Senior Business Intelligence Analyst at McKinsey & Company who improved ETL performance by 40% with Snowflake data models.

United States

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At McKinsey & Company, I developed automated Power BI dashboards for budgets and metrics and designed Snowflake data models that improved ETL performance by 40%. I also automated anomaly detection in Tableau dashboards using SQL and Python.

At GE Healthcare, I automated and redesigned more than 30 recurring reports and workflows, reducing manual effort by 40% and saving about 20 hours per week. At Nokia Data Centre, I built ETL workflows and developed Tableau and Power BI dashboards to support executive decisions.

Experience

Work history, roles, and key accomplishments

Current

Senior Business Intelligence Analyst

Current

McKinsey & Company

Apr 2023 - Present (3 years 6 months)

Developed automated Power BI dashboards to monitor budgets and metrics, streamlining approvals and enhancing data visibility. Partnered with cross-functional teams to align analytics solutions with organizational needs, achieving a 40% process efficiency gain.

Power BI Snowflake Tableau SQL Python AWS ETL Data Modeling Anomaly Detection Data Documentation Mentorship

Data Analyst

GE Healthcare

Dec 2021 - Mar 2023 (1 year 3 months)

Automated and redesigned 30+ recurring management reports and analytical workflows using SQL and Power BI, reducing manual effort by 40% and saving about 20 hours per week. Improved operational efficiency by 20% through root cause analysis of order fulfillment delays and other operational issues.

SQL Power BI Snowflake Data Modeling Data Quality Automation Variance Analysis Anomaly Detection Data Documentation ER Diagrams Data Governance

BI Developer / Data Analyst

Nokia Data Centre

Dec 2018 - Nov 2020 (1 year 11 months)

Designed predictive dashboards in Tableau and Power BI that guided executive decisions. Built and maintained ETL workflows with Azure Data Factory for multi-source data integration and optimized SQL queries for improved report accuracy.