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@henryokatta
Data Analyst with 4+ years' experience in SQL, Tableau, and Power BI, delivering actionable insights
I am a skilled Data Analyst with over 4 years of experience in data visualization, statistical analysis, and database management. My career has been centered around uncovering actionable insights to drive business decisions and improve operational efficiency. I have worked with global organizations like the World Meteorological Organization, Yiaga Africa/UNDP, and the World Bank, where I developed dashboards, cleaned and managed large datasets, and implemented data governance practices.
I am passionate about using tools like SQL, Tableau, Power BI, and Python to create compelling visualizations and streamline processes. Some of my key achievements include improving operational efficiency by 30% through automated data workflows, enhancing data accuracy and consistency by 20%, and creating dashboards that facilitated real-time monitoring and decision-making.
Beyond my technical expertise, I am driven by a desire to solve complex problems and collaborate with cross-functional teams. I am also constantly learning to stay updated with the latest trends in data analytics. For example, I recently pursued certifications in Tableau and Power BI, which have enhanced my ability to design interactive dashboards.
In addition to my professional skills, I enjoy exploring how data intersects with real-world challenges, from improving public health to optimizing business processes. My long-term goal is to work on impactful projects that leverage data to drive innovation and make meaningful contributions.
I thrive in remote and collaborative environments and look forward to opportunities that allow me to use my skills to solve challenges, grow professionally, and make a difference.
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Work history, roles, and key accomplishments
World Meteorological Organization
Jul 2023 - Jun 2024 (11 months)
Spearheaded the development of a comprehensive database, enhancing data accessibility and operational efficiency by 25%. Delivered 10+ interactive visualizations for senior management, improving reporting accuracy by 20%. Trained 15+ team members on data collection tools, increasing submission consistency by 15%. Championed data governance practices, improving data integrity by 30%.
YIAGA Africa / UNDP
Feb 2023 - Mar 2023 (1 month)
Analyzed electoral data to ensure transparency and credibility in the election process. Identified data anomalies, achieving a 100% accuracy rate in reporting. Collaborated with cross-functional teams to provide insights supporting fair election outcomes.
World Bank / Federal Ministry of Health Nigeria
Apr 2022 - Jan 2023 (9 months)
Streamlined data management processes, reducing retrieval time by 30%. Conducted statistical analyses that contributed to policy-making, improving public health outcomes by 15%. Implemented data cleaning protocols, enhancing data quality by 20% and developed dashboards for real-time health metrics monitoring.
Federal Capital Territory-Inland Revenue Service (FCT-IRS)
Mar 2021 - Feb 2022 (11 months)
Executed data analysis projects optimizing tax collection processes, increasing revenue by 10%. Provided technical support for 200+ end-users, maintaining a 95% satisfaction rate. Led documentation and standardization of system infrastructure, reducing IT issues by 15%.
Degrees, certifications, and relevant coursework
Certification in Data Analysis, Data Analysis
2021 -
Earned a certification in Data Analysis, enhancing skills in data manipulation and visualization techniques.
Bachelor of Science, Computer Science
2020 -
Grade: Second Class – Upper Division
Completed a Bachelor of Science in Computer Science, focusing on the principles of computing, programming, and data management.
Software and tools used professionally
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