Anna

Odesa, Ukraine | [open contact info](look above in the "contact info" section) | Tg: @Anna_Sirenko07 | [open contact info](look above in the "contact info" section)

ANNA SIRENKO
DATA ANALYST
Maven Analytics Portfolio Tableau Dashboard Portfolio

SUMMARY

Data Analyst with 1+ year of experience working with Excel, SQL, and Tableau to analyze data, identify trends,
and create clear, actionable visualizations. Holds a Bachelor’s degree in Business Economics and Analytics,
with a strong academic foundation in statistics and data analysis. Experienced in transforming raw data into
meaningful insights and building interactive dashboards to support data-driven decision-making.

TECHNICAL SKILLS

Excel (Pivot Tables, SQL (MSSQL, MySQL, Tableau (Data Modeling,
Power Query) PostgreSQL) Calculated Fields, LOD
VBA Macros HTML Expressions)

PROFESSIONAL EXPERIENCE
EKLimited
Sep, 2024 - Nov, 2025
Data Analyst
Cleaned, transformed, and validated large datasets using Excel and SQL to ensure data accuracy and
consistency.
Analyzed data to identify trends, patterns, anomalies, and key business insights.
Built interactive Tableau dashboards and reports to visualize KPIs and support data-driven decision-making.
Used Power Query in Excel to import, clean, merge, and transform data from multiple sources.
Developed VBA macros to automate repetitive Excel tasks, reducing manual work and improving reporting
efficiency.
Created advanced Excel reports using PivotTables, lookup functions, formulas, charts, and data visualization
techniques.
Wrote SQL queries to extract, filter, aggregate, and analyze data from relational databases.

CBCPartners
Jan, 2024 - Sep, 2024
Logistics Data & Reporting Specialist
Collected, organized, and maintained operational and logistics data for daily business activities.
Cleaned and validated data in Excel, identifying missing, inconsistent, and duplicate records.
Maintained structured records of shipments, drivers, routes, deliveries, and operational documentation.
Prepared daily, weekly, and monthly reports to track logistics operations and key performance indicators.
Analyzed operational data to identify delivery trends, delays, discrepancies, and performance issues.
Automated repetitive Excel tasks using VBA macros and Power Query, improving data preparation and
reporting efficiency.
Prepared documentation and reports for internal stakeholders and management.
Collaborated with drivers, dispatchers, and other teams to verify data and resolve discrepancies.
EDUCATION

Bachelors degree of Business Economics and Analytics Sep, 2022 - May, 2026
Odesa National Economic University

Maven Analytics
Excel Pivot Tables & Charts
Advanced Excel Dashboard Design
MySQL Data Analysis
Intro to Tableau Desktop

University of Pennsylvania Jun, 2023 - Jul, 2023
English Language Programs - English for Career Development

Cambridge Assessment English Jul, 2023
First Certificate in English (B2 First)