Data Visualization and Dashboard (Tableau/Excel/Python) by Wongyu Jeon

Data Visualization and Dashboard (Tableau/Excel/Python) by Wongyu JeonData Visualization and Dashboard (Tableau/Excel/Python) by Wongyu Jeon

Data Visualization and Dashboard (Tableau/Excel/Python)

Wongyu Jeon

Contact for pricing

About this service

Summary

I design clean, professional dashboards and visualizations using Tableau, Excel, and Python. My focus is on clarity, usability, and turning your data into visuals that support decisions — not clutter. You’ll receive a polished dashboard that highlights key insights and is easy to update.

FAQs

What tools do you use?
Tableau (mainly) and Excel for dashboards; Python (Matplotlib/Seaborn) for custom visualizations.
Do you help decide which KPIs to show?
Yes — I can recommend the best metrics and visual types based on your goals.
Is data cleaning included?
Basic cleaning is included.

What's included

Interactive Dashboard (Tableau)
A clean, well-structured dashboard showing KPIs, trends, filters, and actionable insights.
Visualization Pack (Charts & Insights)
A collection of charts/plots created using Tableau, Excel, or Python (Matplotlib/Seaborn), formatted consistently and ready for presentations.
KPI Layout & Navigation Design
A clear dashboard structure with intuitive navigation, grouping metrics by categories (sales, performance, operations, etc.).

Example projects