Open to opportunities

Winnie Madikizella

@winniemadikizella

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Data Analyst with 5+ years of experience in business intelligence.

Kenya

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What I'm looking for

I am looking for a role that values data-driven decision-making and promotes inclusivity.

I am a Data & Business Intelligence Analyst with over 5 years of experience transforming complex datasets into actionable insights. My expertise lies in Excel, Power BI, and SQL, where I have successfully reduced manual reporting by up to 80%. My work has spanned various sectors, including SRHR advocacy and CRM optimization, delivering ETL improvements and compliance-ready reporting across 10+ countries.

Throughout my career, I have engineered automation solutions that streamline operations, achieving a 40% reduction in manual effort. I am passionate about designing lightweight BI systems for mission-driven organizations, ensuring that data storytelling promotes equity and inclusivity. My commitment to data ethics and community engagement has allowed me to facilitate impactful research and advocacy initiatives, reaching diverse audiences and fostering collaboration among stakeholders.

Experience

Work history, roles, and key accomplishments

Freelance Data Analyst

Open to Opportunities

Jan 2025 - Apr 2025 (3 months)

Delivered a pricing strategy for a U.S. startup by analyzing 1,500+ geo-tagged data points using Google/Bing Maps, projecting a 10% revenue increase. Created a 10,000+ entry Excel logbook with built-in validation rules, accurately transcribing and entering records from multiple sources, reducing manual work by 80%.

Google Maps Excel Data Validation Pricing Strategy Data Analysis

Program Data Lead (SRHR & Advocacy)

Tulia Mama

Aug 2022 - Dec 2024 (2 years 4 months)

Led data systems for gender-sensitive health programs, facilitating community dialogues and designing interactive Power BI dashboards to track SRH KPIs. Developed Excel models and automated reports using VBA, standardizing data pipelines with SQL, Power Query, and Excel.

Power BI Excel VBA SQL Power Query ETL Data Quality Data Storytelling

Education

Degrees, certifications, and relevant coursework

University of Nairobi

Bachelor’s Degree, Economics and Statistics

Completed a Bachelor’s Degree in Economics and Statistics, gaining foundational knowledge in economic principles and statistical analysis. This program provided a strong quantitative background essential for data interpretation and decision-making.