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Olha Koltun

Olha Koltun


Category Data Analyst

First Brands Group, LLC | Bucharest, Romania


My Portfolio Highlights

My New Certification

Data Analyst Associate

My New Course

Introduction to Python

My New Project

Dr. Semmelweis and the Discovery of Handwashing

Insights sculptor, shaping raw information into actionable intelligence.

My Work

Take a look at my latest work.


The Android App Market on Google Play


Exploring the History of Lego


The GitHub History of the Scala Language

My Certifications

These are the industry credentials that I’ve earned.

Data Analyst Associate

Data Analyst Associate

Other Certificates

DataCamp Data Analyst Associate

Coursera Data Visualization with Tableau

Coursera Google Data Analytics

DataCamp Course Completion

Take a look at all the courses I’ve completed on DataCamp.

My Work Experience

Where I've interned and worked during my career.

First Brands Group, LLC | Nov 2023 - Present

Category Data Analyst


Acted | Nov 2022 - May 2023


- сleaned and ensured the integrity of data collected by a team of enumerators through field surveys - analyzed collected data with the objective of profiling respondents - developed project methodology - organized and conducted interviews with stakeholders - analyzed the collected information for insight detection - contributed to the changes in the budget in accordance with the requests - prepared project progress reports
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Retail Bakery Chain | Nov 2017 - Dec 2022

Financial Analyst

- сonducted analysis of the set of data that determines key business indicators to identify trends, correlations, and patterns - worked closely with the engineering team on developing and maintaining a variety of reports to facilitate data-driven decision-making - created charts and graphs for visual understanding - communicated insights to management and other teams

Retail Bakery Chain | Oct 2015 - Nov 2017


- managed financial aspects for clients, including the preparation of financial statements, business plans, and budget reports - oversaw spending, costs, credit management, payroll, and investments to ensure clients' financial health - filed tax returns and provided expert tax advice to clients, optimizing their tax strategies

McDonald's | Nov 2006 - Sep 2015

Department Leader

- analyzed budgeted and actual results and prepared daily/weekly/monthly reports - planned product orders based on sales history

My Education

Take a look at my formal education

Odessa National Polytechnic University

About Me

Olha Koltun

Data Analyst with 7+ years experience. Expert in Python, driven to transform complex data into strategic insights for business growth. Focused on innovative, data-driven decision making

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