SQL
OLANREWAJU ADENIYI
Data Analyst
Summary
Detail-focused Data Analyst with knowledge in data warehousing, process validation and business needs analysis. Proven to understand customer requirements and translate into actionable project plans. Dedicated and hard-working with passion for Big Data. Seasoned collaborator experienced in meeting needs, improving processes and exceeding requirements in team environments. Diligent worker with strong communication and task prioritization skills.
Overview
9
9
years of professional experience
4
4
Certifications
1
1
Language
Work History
DATA ANALYST
Moad Resources Limited
01.2023 - Current
- Developed and optimized SQL-based data models, enhancing schemas for 30% cleaner data sources, leading to more accurate analyses and insights
- Created dynamic Excel dashboards, enabling real-time monitoring and improving decision-making efficiency by 50%
- Utilized Power BI and Tableau for data visualization, identifying trends and patterns crucial for strategic business decisions
- Collaborated with cross-functional teams to identify analytics challenges and implement data-driven solutions, resulting in enhanced operational efficiency
- Conducted comprehensive data analyses using Python and R programming, uncovering actionable insights to drive business growth and profitability.
BUSINESS ANALYST
Attainables Entertainment Limited
05.2019 - 12.2022
- Empowered sales teams with Excel dashboards, facilitating data-driven decision-making and increasing sales efficiency by 20%
- Optimized SQL queries, reducing report generation time by 50% and enabling faster access to critical business insights
- Conducted market research and competitive analysis, providing strategic recommendations for product development and marketing strategies
- Collaborated with stakeholders to define business requirements and translate them into actionable analytics solutions
- Implemented data quality initiatives, ensuring data completeness and accuracy, resulting in improved decision-making processes.
DATA ANALYST INTERN
Career Insights
01.2019 - 05.2019
- Enhanced data accuracy through meticulous Power Query and Excel data cleaning techniques, ensuring reliable datasets for analysis
- Automated ETL processes with SQL, reducing manual handling and improving data analysis efficiency by 40%
- Assisted in the development of data visualization dashboards using Power BI, facilitating easy interpretation of complex datasets
- Conducted exploratory data analysis to identify patterns and trends, providing valuable insights for business decision-making
- Supported senior analysts in conducting statistical analyses and predictive modeling, contributing to data-driven decision-making processes.
OFFICE ADMINISTRATOR
Ryerson Global Services Limited
05.2015 - 12.2018
- Negotiated cost-saving agreements with vendors, artisans, and applicants, resulting in over 40% cost savings and optimizing company interests
- Streamlined daily operations and logistics, ensuring company profitability and sustained growth
- Cultivated and maintained satisfactory client relationships, fostering business continuity with existing, current, and prospective clients
- Coordinated administrative tasks, including scheduling, correspondence, and document management, optimizing office efficiency
- Provided administrative support to executive management, contributing to the overall success of business operations.
Education
Master of Environmental Management -
University of Lagos
Akoka Lagos, Nigeria 01.2020 -
Bachelor of Science in Chemistry - undefined
University of Agriculture
Abeokuta, Ogun State 01.2014 - undefined
Skills
- Data Warehousing
- Data Mining
- Analytical Problem Solving
- Reporting Tools
- ETL processes
- Data Cleaning
- Data Visualization and Presentations
- Continuous Learning
- Critical Thinking
- Decision Making
- Teamwork
- Strong Work Ethic
Clear and Concise Communication
Data Integrity Validation
Accomplishments
With over 3 years of experience as a data/business Analyst, I have successfully conducted in-depth data analysis across health, sales, banking, e-commerce, transport, and other sectors, driving significant operational efficiencies and revenue growth. I developed interactive dashboards and reports using Tableau and Power BI, optimized processes to reduce costs and improve delivery times, and implemented predictive models that enhanced customer targeting and campaign effectiveness. My efforts in data governance ensured data accuracy and security, and I effectively engaged stakeholders to foster data-driven decision-making. Additionally, I mentored junior analysts, boosting team performance and analytical capabilities.
Software
Tableau
MS Excel
Power BI
R Programming
Python
Certification
Diploma in Data Analytics and Business Intelligence
Timeline
Datacamp Data Analyst certified
06-2024
Datacamp Data Analyst Associate certified
06-2024
Diploma in Data Analytics and Business Intelligence
05-2023
DATA ANALYST
Moad Resources Limited
01.2023 - Current
Master of Environmental Management -
University of Lagos
01.2020 -
BUSINESS ANALYST
Attainables Entertainment Limited
05.2019 - 12.2022
DATA ANALYST INTERN
Career Insights
01.2019 - 05.2019
OFFICE ADMINISTRATOR
Ryerson Global Services Limited
05.2015 - 12.2018
Introduction to Safety Management
03-2015
Bachelor of Science in Chemistry - undefined
University of Agriculture
01.2014 - undefined
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