Work & Research Experience
Data Scientist @ GreenPlace 12/24 – present
Lead economics and market modelling for client real-estate portfolios, build internal web-app data tools, mentor an intern, source and process data from diverse datasets, conduct geospatial analyses, and maintain a shared code repository of reusable data tools
Data Analyst @ GreenPlace 11/22 – 12/24
Built BI dashboards and reports on energy efficiency and decarbonisation for clients with real estate portfolios, and developed predictive ML models from multi-source data pipelines.
Marketing Research Intern @ Milk 09/21 – 12/21
Contributed to a city-branding study on second-tier EU cities, analysing EU-wide tourism and branding data alongside a local survey on Košice.
Digital Marketer & Data Analyst @ Milk 09/20 – 11/22
Part-time role in content marketing and data analysis alongside studies. Delivered analyses using ML and statistical models, built client reports in Google Data Studio, and designed content distribution strategies and monthly content plans.
Marketing Intern @ Vacuumlabs 04/19 – 09/20
First professional role combining content creation and marketing data analytics, supporting the marketing team while studying.
Education
University of Bath – MSc in Business Analytics with Distinction 05/23 – 01/26
Finished first-class with an average of 73. Best in cohort in Data mining (83), excelled in Business Statistics (79), Forecasting (79), Optimisation & Modelling (79) and Simulation (71).
Erasmus University Rotterdam — BSc Economics & Business Economics 09/19 – 08/22
Finished with an average of 7.9 and thesis grade of 8.5. Excelled in Applied Statistics 2 (9.0), Data Analysis (9.0), Marketing Strategy (8.9), Mathematics 2 (8.5) and Consumer Behaviour (9.1).
Extracurricular Activities
Climate Pact Ambassador @ European Commission 01/26 – present
Volunteering role to promote sustainability and climate related goals of the EU.
Volunteer @ Slovak Wildlife Society 01/26
Engaged in large carnivores monitoring – tracked animals, collected scientific samples and measurements, presented results.
Climate Change AI Summer School 06/24 – 08/24
Finished lectures and tutorials on topics of AI and its impact on climate change
AI for Environment Summit 10/25
Attended a summit exploring applications of AI for environmental and climate challenges.
Volunteer 12/2019 - 02/2025
Volunteered in several non-profit organisations including Transparency International Slovakia and Unimak.
Team Representative @ FTxBocconi Challenge 2022 02/22
Selected among 200 international students to solve hybrid world challenges in a hackathon.
Semi-professional Athlete 09/22 - 03/26
Played two ice-hockey leagues (University and 3rd Slovak Division) on an amateur/semi-professional level.
Theses
Mecko, D.J. 2022. The Willingness to Pay for Renewable Electric Energy in the Slovak Market. Business Economics. Bachelor’s thesis. View online
Mecko, D.J. 2025. Predicting Residential Energy Use Intensity from Constrained Open Data Using Embedding-Enhanced Machine Learning and Open Weather Data. Business Analytics. Master’s thesis. View online
Additional Skills & Hobbies
Technology
- Python, R, SQL, GIS, GitHub
- sklearn, pandas, geopandas, streamlit, hugo
- Data visualisation in Google Data Studio / Tableau / PowerBI
- Photoshop, Lightroom
Methods
- Causal analysis
- Machine learning
- Conjoint analysis
- Forecasting
- Data mining
- Simulation
Languages
- Professional proficiency: English, Slovak (and Czech 😅)
- Limited proficiency: French
- Hobby learning: German, Italian