Hi, I’m Berk Şafak, a data analyst focused on turning data into clear insights and practical business decisions. I work with Tableau, Power BI, Python, SQL, Excel, and Google Analytics to build dashboards, reports, and data-driven analyses.
PYTHON (Pandas, Numpy, Data Visualization )
Data Visualization (Tableau, Power BI, Data Studio)
SQL (Microsof Access, MySQL)
Excel (Functions, Modelling)
Portfolio
A sample of my work
- All
- Python
- TABLEAU
- Power BI
- SQL
- Excel
- Data Studio (Looker Studio)
Optimizing Local Pizzeria Operations
SQL / Tableau / Excel
Regional Analysis of Ingredients Consumption
SQL / Tableau / Excel
Housing Insight Dashboard on Tableau
Tableau / Excel
Space Race With Data Science (IBM Final Project)
Python / SQL / Excel / IBM Cloud
Turkish Recipes Handbook
SQL / Tableau / Python
Ethical Marketing AI Analysis
Power BI / Python / Excel
AI Ethics Risk Intelligence
Power BI / Excel
Readiness Tracker
Data Studio (Looker Studio)
DATA SERVICES I PROVIDE
GEOSPATIAL DATA ANALYSIS
I use location-based data to analyze regional patterns, map insights, and support spatial decision-making.
DATA ANALYSIS
I help businesses collect, analyze, and visualize data to make smarter decisions.
BI Dashboards
I build clean and interactive dashboards in Tableau, Power BI and Looker Studio for better decision-making.
“If you torture the data long enough, it will confess to anything.”
Ronald Coase