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Hanna omotolani

@hannaomotolani

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Data Analyst skilled in Python, SQL, and R for insights.

Nigeria

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What I'm looking for

I seek a role that fosters growth, collaboration, and impactful data-driven decision-making.

I am a Data Analyst with hands-on experience leveraging Python, SQL, and R to extract actionable insights from complex datasets. My expertise lies in statistical analysis, data visualization, and predictive modeling, particularly within healthcare and e-commerce analytics. I have consistently delivered data-driven solutions that improve decision-making processes, reducing analysis time by 40% and identifying over $85K in revenue opportunities.

Throughout my career, I have worked with notable organizations such as Bright Health System and Fin-Track Solutions, where I automated reporting workflows, streamlined data collection processes, and presented findings to cross-functional teams. My analytical skills have led to significant improvements in patient outcomes and marketing strategies, showcasing my ability to turn data into impactful business decisions.

Experience

Work history, roles, and key accomplishments

Data Analyst

Bright Health System

Jul 2024 - Dec 2024 (5 months)

Conducted statistical analysis in healthcare, built predictive models in R, created visualisations, and collaborated with oncology teams to improve breast cancer detection. Automated reporting workflows and presented findings to medical teams, resulting in treatment adjustments and improved patient outcomes.

R Programming Statistical Analysis Data Visualization SQL Data Cleaning ETL Processes Dashboard Design Team Collaboration Problem Solving

Freelance Data Analyst

Project, Sales Data Analysis

May 2023 - Jul 2023 (2 months)

Conducted sales analysis using regression and clustering techniques, created visualisations in Tableau and Power BI, and built KPI tracking systems. Offered actionable insights for executive decisions, identifying significant revenue opportunities.

Tableau Power BI Clustering Data Visualization KPI Tracking Data Integration Sales Analysis Problem Solving

Data Analyst

Fin-Track Solutions

Jun 2022 - Jan 2023 (7 months)

Utilised SQL and Excel to analyse e-commerce data, create forecasting models, and uncover revenue opportunities. Simplified ETL processes and delivered insights that improved marketing strategies and customer retention.