Ольга

Olha Tokar
[відкрити контакти](див. вище в блоці «контактна інформація»), [відкрити контакти](див. вище в блоці «контактна інформація»)
Telegram, LinkedIn, Lviv, Ukraine
DATA ANALYST
As a Data Analyst, I am skilled in analyzing complex datasets and deriving actionable insights. I am
a specialist in data collection, cleaning, preprocessing, and utilizing statistical techniques. I have
strong expertise in exploratory data analysis, predictive modelling, and data visualization. I am an
effective collaborator, working closely with teams to deliver data-driven solutions. I am
seeking opportunities to contribute to data analysis strategies and drive business growth.
SKILLS
 Data Collection, Cleaning, and Preprocessing
 Statistical Analysis and Visualization
 A/B Tests
 SQL, Python
 Data Visualization Tools (Tableau, Power BI, Google Looker Studio, etc.)
 Product Analysis
 Excellent Communication and Collaboration Skills
PROJECT EXPERIENCE
Ads analysis
The project focuses on analyzing advertising campaigns in the retail domain. This project extracts
and analyzes data to estimate the performance and effectiveness of ads by using SQL. It includes
metrics like CTR, CPC, CPM, ROMI, etc. The visual report in Google Looker Studio helps to inform
marketing strategies and optimize ad performance in the retail domain.
Cohort analysis
The project helps to analyze the users’ behavior and track the revenue they bring. Through basic
statistics and analysis, the project estimates total revenue. It defines cohorts based on users' activity
time and tracks total revenue. The project aims to identify strategies that will help retain users and
increase revenue.
PROFESSIONAL EXPERIENCE
Lviv Polytechnic National University, Associate Professor (2007-2022)
 Ph.D degree in technical sciences in speciality "Information Technologies"(2015)
A database of input parameters of forest ecosystems has been developed in MS Access and
carbon stocks in forest ecosystems have been estimated by using SQL.
State Scientific and Research Institute of Information Infrastructure, National Academy of
Sciences of Ukraine, Junior Research Fellow (1997-2005)
 project "Information Technologies for Greenhouse Gas Inventories and Prognosis of the
Carbon Budget of Ukraine" (2002-2004)
Carbon sinks (emissions) into forest phytomass have been calculated in MS Excel.
EDUCATION
IT School "GoIT" (July, 2024) Sigma Software University (October, 2024)
Data Analysis Relational Databases. Fundamentals
Ivan Franko National University of Lviv (1988-1993)
Specialist's degree in Applied Mathematics
LANGUAGE KNOWLEDGE
Ukrainian - Native
English - Intermediate