Kepher Ashitakaya

Data Analyst | Power BI Developer | Data Engineer

About Me

Kepher Ashitakaya

I'm a data professional with over 2 years of expertise in transforming complex datasets into actionable insights. My work focuses on creating interactive visualizations and data-driven stories that help organizations make informed decisions.

With experience in Power BI,Python, SQL, Excel and data modelling, I specialize in developing comprehensive reports that reveal hidden patterns and trends in data. This portfolio showcases my projects across various sectors.

My Projects

Q1 Sales Analysis Preview

G.A Sales Comparisons Month over Month Analysis

An executive Q1 sales performance dashboard built in Power BI that analyzes revenue, volume, and profitability trends to assess business health and identify early growth momentum.

Project Two Preview

Keeping Talent: An Attrition Analytics Dashboard

This project analyzes employee attrition to identify high-risk workforce segments, assess departmental and demographic turnover patterns, and provide actionable insights for improving retention and reducing costs. Built using Power BI, the dashboard transforms HR data into visual trends, KPIs, and predictive indicators to support strategic workforce planning.

Project Three Preview

Revenue Growth vs. Market Concentration: A Multi-Year Sales Performance Analysis

This project analyzes multi-year sales, order, and pricing trends to evaluate business growth, discount effectiveness, and geographic revenue concentration risk. Using Microsoft Excel, the analysis uncovers demand drivers, pricing pressure, and regional dependency to support more resilient, data-driven expansion strategies.

Project Four Preview

Real-Time Spotify Streaming Analytics Platform

This project delivers a fully automated, real-time analytics platform that simulates Spotify user activity and transforms raw streaming events into live, business-ready insights. We use tools such as Kafka, Snowflake, dbt & Power BI

Technical Skillset

Data Visualization

  • Power BI
  • Snowflake
  • Data Modelling
  • Excel Dashboards

Data Analysis

  • SQL
  • Advanced Excel
  • Python (Pandas)
  • Google Sheets

Data Modeling & ETL

  • Power Query (M)
  • DAX
  • Star Schema Design
  • ETL Processes

Send me a message

Interested in collaborating or have questions about my work? I'd love to hear from you!