Özlem A.-Data analyst
Check rate
Experience
Adjunct Lecturer
Whitecliffe University of Applied Sciences
- Teaching Introduction to Data Science Course in MBA Programme
Lead Data Analytics Consultant
International Labour Organization (ILO) & Central Union of Turkish Agricultural Credit Cooperatives
- Lead and consulted survey design, data analysis and final reporting for the project "Supporting Employment for Refugees and Turkish Citizens" by International Labour Organization (ILO) & Central Union of Turkish Agricultural Credit Cooperatives.
Data Analyst
Bikeleasing
Sales & Operational Efficiency Reporting:
- Built automated dashboards tracking revenue, pick-up/conversion/retention rates, and campaign performance from MS Dynamics CRM data, enabling stakeholders to identify key factors influencing sales trends — using Power Query (M), Power BI (DAX), and Python.
Dynamic Campaign Performance Dashboards:
- Developed interactive dashboards to monitor real-time performance of marketing and sales campaigns by using Power BI and Apache Superset (SQL). Enabled campaign managers and product owners to quickly identify high/low-performing segments and adjust targeting strategies accordingly.
Data Warehousing & Data Modeling:
- Contributed to the design and implementation of a new company-wide data warehouse architecture.
- Used DBT (Data Build Tool) to model data layers (staging, intermediate, and marts, testing), ensuring clean, scalable, and well-documented data transformation processes.
- Collaborated with cross-functional teams (data engineers, stakeholders) to align data models with business logic.
Data Analyst
Free University of Berlin
- Developed an interactive Tableau dashboard for an academic project at Free University of Berlin.
Researcher
Free University of Berlin
- Econometric research on household debt with Turkish and Chilean Survey Data
- Utilized Stata for analysis.
Researcher
Levy Economics Institute
- Did research on Household Consumption, Household Indebtedness and Inequality in Turkey: A Microeconometric Analysis,
- Produced work: Levy Economics Institute Working Papers Series, 2020
Assistant Professor in Economics
Ankara University
- Published 7 academic papers applying statistical data analysis.
- Taught 7 different courses.
- Supervised postgraduate students.
- Participated in academic conferences.
- Produced work: Redistributive Effects of Indirect Taxes in Turkey, Ankara, 2(1)
Industry experience
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Experienced in Education, Banking and Finance, and Agriculture.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Research and Development, Business Intelligence, Finance, Marketing, and Sales.
Summary
Data Analyst and data scientist with a PhD in Economics (Nottingham School of Economics, the UK) and over ten years of experience across academic research and commercial analytics. Strong foundation in statistics and econometrics, applied in industry to revenue and sales reporting, forecasting, KPI frameworks, and dashboards using Power BI, Tableau, SQL, and Python. Experienced in dbt-based data modelling and building reporting on top of a company-wide data warehouse and raw CRM data. Recent hands-on machine learning and AI work through advanced training at SPICED Academy, including projects in demand forecasting, dynamic pricing, and fraud detection. Known for translating complex analysis into clear recommendations for non-technical stakeholders. German citizen, fluent in English, German at B2.
Skills
Technical Skills
- Python
- Sql
- Tableau
- Power Bi
- Power Query (M)
- Looker
- Git
- Dax
- Excel
- Superset
- Aws (S3, Redshift)
- Time Series Forecasting
- Machine Learning
- Langchain
- Dbt
- A/B Testing
- Stata
- Ms Dynamics
Languages
Education
Nottingham School of Economics
PhD · Economics · Nottingham, United Kingdom
Ankara University
MA · Economics · Ankara, Turkey
Ankara University
Bachelor · Economics · Ankara, Turkey
Certifications & licenses
AI A& Data Science Boot Camp
SPICED Academy
A/B Testing with Python
Udemy
Introduction to Generative AI for Data Analysis
Coursera-Microsoft
Looker Studio
Udemy
Transfer Your Data Using dbt
Udemy
R Programming
Udemy
PostgreSQL Bootcamp
Udemy
Power BI Desktop for Business Intelligence
Udemy
Tableau 2020
Udemy
Statistics
Experience
Global experience
Expertise
Qualifications
Frequently asked questions
Have questions? Find more information here.
Özlem is based in Berlin, Germany and can operate in on-site, hybrid, and remote work models.
Özlem speaks the following languages: Turkish (Native), English (Advanced), German (Intermediate).
Özlem has at least 12 years of experience. During this time, Özlem has worked in at least 5 different roles and for 6 different companies. The average length of individual experience is 2 years and 8 months. Note that Özlem may not have shared all experience and actually has more experience.
Based on recent experience, Özlem would be well-suited for roles such as: Adjunct Lecturer, Lead Data Analytics Consultant, Data Analyst.
Özlem's most recent position is Adjunct Lecturer at Whitecliffe University of Applied Sciences.
In recent years, Özlem has worked for Whitecliffe University of Applied Sciences, International Labour Organization (ILO) & Central Union of Turkish Agricultural Credit Cooperatives, Bikeleasing, and Free University of Berlin.
Özlem is most experienced in industries like Education, Banking and Finance, and Agriculture.
Özlem is most experienced in business areas like Research and Development, Business Intelligence, and Finance. Özlem also has some experience in Marketing and Sales.
Özlem has recently worked in industries like Education, Banking and Finance, and Agriculture.
Özlem has recently worked in business areas like Research and Development, Finance, and Business Intelligence.
Özlem holds a Doctorate in Economics from Nottingham School of Economics, a Master in Economics from Ankara University and a Bachelor in Economics from Ankara University.
Özlem has 9 certificates. Among them, these include: AI A& Data Science Boot Camp, A/B Testing with Python, and Introduction to Generative AI for Data Analysis.
Özlem is immediately available full-time for suitable projects.
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Calculated based on our freelancers’ daily rates as of 25 Oct 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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