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Results-driven Data Analyst with 3+ years of experience in data analysis, business intelligence, reporting, and technical support. Skilled in SQL, Excel, Power BI, Tableau, Looker, Python, and R to clean, analyze, and visualize data, automate reporting, and deliver clear insights to non-technical stakeholders. I specialize in KPI tracking, performance analytics, dashboard development, and decision-support analytics. I translate complex operational datasets into actionable trends, root-cause insights, and executive-ready reporting to support business growth and operational improvements.…Results-driven Data Analyst with 3+ years of experience in data analysis, business intelligence, reporting, and technical support. Skilled in SQL, Excel, Power BI, Tableau, Looker, Python, and R to clean, analyze, and visualize data, automate reporting, and deliver clear insights to non-technical stakeholders. I specialize in KPI tracking, performance analytics, dashboard development, and decision-support analytics. I translate complex operational datasets into actionable trends, root-cause insights, and executive-ready reporting to support business growth and operational improvements.

BRIAN MWENDWA MUIA

Data Analyst, Data Visualizer, Data Scientist, +2

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Results-driven Data Analyst with 3+ years of experience in data analysis, business intelligence, reporting, and technical support. Skilled in SQL, Excel, Power BI, Tableau, Looker, Python, and R to clean, analyze, and visualize data, automate reporting, and deliver clear insights to non-technical stakeholders. I specialize in KPI tracking, performance analytics, dashboard development, and decision-support analytics. I translate complex operational datasets into actionable trends, root-cause insights, and executive-ready reporting to support business growth and operational improvements.…Results-driven Data Analyst with 3+ years of experience in data analysis, business intelligence, reporting, and technical support. Skilled in SQL, Excel, Power BI, Tableau, Looker, Python, and R to clean, analyze, and visualize data, automate reporting, and deliver clear insights to non-technical stakeholders. I specialize in KPI tracking, performance analytics, dashboard development, and decision-support analytics. I translate complex operational datasets into actionable trends, root-cause insights, and executive-ready reporting to support business growth and operational improvements.

Available to hire

Results-driven Data Analyst with 3+ years of experience in data analysis, business intelligence, reporting, and technical support. Skilled in SQL, Excel, Power BI, Tableau, Looker, Python, and R to clean, analyze, and visualize data, automate reporting, and deliver clear insights to non-technical stakeholders.

I specialize in KPI tracking, performance analytics, dashboard development, and decision-support analytics. I translate complex operational datasets into actionable trends, root-cause insights, and executive-ready reporting to support business growth and operational improvements.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Swahili

Fluent

Work Experience

Senior Data Analyst at PowerGen Technologies Limited

January 1, 2026 - Present

Developed interactive Power BI dashboards using DAX to monitor operational and business KPIs across multiple business units. Analyzed large datasets including fleet telematics, fuel consumption, fibre production, and repair data to identify trends and inefficiencies. Wrote complex SQL queries to extract, transform, validate, and analyze enterprise data from multiple sources. Automated reporting workflows using Power BI, SQL, and Excel to improve efficiency and reduce manual effort. Supported reliable KPI reporting by identifying data issues, validating datasets, and defining metrics/controls. Delivered data storytelling through clear visualizations and communicated insights with operational teams for faster decision-making and process improvements.

Data Analyst at Maji Ndogo Project - ALX-AFRICA

January 1, 2025 - December 1, 2025

Cleaned and transformed large-scale datasets using Excel, SQL, and Python (Pandas) to ensure data quality for water resource analysis. Performed analysis to identify root causes of water shortages including population growth, human activities, and climate change factors. Built interactive dashboards in Power BI and Tableau to visualize water access trends and improve reporting efficiency by 30%. Conducted trend/pattern analysis using Excel, SQL, and Power BI on water demand, usage patterns, and environmental impact. Developed predictive models with Python (Scikit-learn, Pandas) to forecast future water shortages and enable proactive decision-making. Automated reporting workflows using Excel macros, Power BI, and SQL to reduce analysis time, and delivered findings using data visualization and storytelling.

Data Analyst at ALX-AFRICA

January 1, 2025 - Present

Cleaned and validated datasets exceeding 1,000+ records, ensuring data accuracy and consistency. Designed interactive Power BI dashboards that improved reporting efficiency by 30%. Partnered with product teams to analyze user behavior, contributing to a 5% increase in engagement. Automated weekly performance reports, reducing manual analysis time by 40%.

Project Coordinator at Manik Das Sugar Mill Consultancy Services

February 1, 2024 - January 1, 2025

Coordinated cross-departmental engineering projects, achieving 100% compliance with technical standards. Enhanced client communication through presentations and progress reports, improving client satisfaction scores. Streamlined project workflows, reducing delays and optimizing team productivity.

Technical Support Associate at Techbiz Limited

January 1, 2022 - April 1, 2022

Collaborated on IT system design and testing for the Mombasa County Government. Improved team efficiency, increasing project success rates by 10%. Volunteered in hardware repair and maintenance, boosting company profits by 10%. Delivered technical support that enhanced customer satisfaction and system uptime.