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Results-driven Data Analyst with a proven track record at [Previous Employer]. Expert in data visualization and statistical analysis, leveraging advanced Excel functions to enhance decision-making. Skilled in Python programming and strategic planning, I effectively communicate insights that drive resource optimization and business growth.

Aspiring Data Analyst / Data Scientist actively seeking opportunities to apply strong analytical, technical, and problem-solving skills in a dynamic, data-driven environment. Proficient in SQL, Python, Power BI, Tableau, and Excel, with hands-on experience in backend data validation, machine learning, and real-time support systems. Experienced in executing end-to-end projects involving data preprocessing, modeling, and visualization. Eager to contribute to impactful solutions through data-driven insights and continuous learning.

Resourceful and results-oriented Business Administration graduate with 4 years of diverse experience across accounting, data analysis, and telemarketing. A rare blend of financial accuracy, analytical thinking, and persuasive communication—capable of managing numbers, interpreting data trends, and building client relationships with equal confidence. Known for delivering smart insights, streamlining operations, and driving business value across both back-office and customer-facing roles. Fast learner, adaptable, and always focused on impact.

Highly analytical and process-oriented Data Analyst/Power BI Developer with 7 years of work experience in data analysis and data management and has proven ability to work efficiently in both independent and teamwork environments. Designing and executing A/B testing, creating machine learning models for driving efficient growth in R-Studio. Conducted in-depth analysis of Performance Network Service Provider (PNSP) metrics to evaluate network efficiency and identify opportunities for improvement. knowledge and usage of reporting tools such as Tableau, SAS, SSRS, MicroStrategy and Power Bi Experience in data analysis, data visualization using Tableau/Microsoft Power BI, model building with machines using statistical/econometric tools like SAS data mining, and SQL. Reviewed basic SQL queries and edited inner, left, and right joins in Tableau Desktop by connecting live/dynamic and static datasets. Managed the data entry of issues requiring remediation into the client's ticketing management system, ensuring accuracy and timeliness. Proficiency in Troubleshooting SQL queries, ETL jobs, data warehouse. Build SQL scripts, indexes, and complex queries for data analysis and extraction that provide database coding to support business applications using T-SQL. Extensive experience with end-to-end data analysis, encompassing data cleaning, data manipulation, database (Oracle) testing, and control development in R and SQL. Good understanding of Relational Database Design, Data Warehouse/OLAP concepts and methodologies. Experience in creating technical metadata for the underlying physical data model of the Source systems as well as Data Warehouse. Experience in SAS, SQL, SSRS, Tableau, Python, MS EXCEL (VLOOKUP, VLOOKUP charts, Macros). Proficient in data mining languages like base SAS and SAS SQL. Skills in SQL, data warehouse, data exploration, data extraction, data validation, reporting and excel. Used tools like Tableau and Microsoft Excel for data analysis and generating data reports Developed visualizations using Tableau for better understanding of data, performed data cleaning, normalization, data transformation Extensively used SQL for accessing and manipulating database systems. Capable in Text Analytics, generating data visualizations and creating dashboards using tools like Tableau & PowerBI.

Proactive Business/Data Analyst with over one year of experience leveraging SQL, Python, and Power BI to deliver actionable insights and optimize operations. Skilled in developing interactive dashboards, automating workflows, and driving strategic decision-making. A collaborative communicator with a proven ability to enhance efficiency and tackle complex challenges using innovative tools.

Alex Osei

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Data Analyst

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Associate of Applied Science - Chemistry

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Data Analyst

Associate of Applied Science - Chemistry

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