Work & Research Experience
Data Scientist @ GreenPlace 12/24 – present
Responsible for economics and market modelling, developed internal web-app data tools, mentored an intern, gathered and processed data from various sources, conducted geospatial analyses, and built a repository
Data Analyst @ GreenPlace 11/22 – 12/24
Developed BI dashboards and reports focused on energy efficiency and decarbonisation for clients with real estate portfolios, prepared predictive ML models, processed data.
Marketing Research Intern @ Milk 09/21 – 12/21
Worked on a city-branding study about second-tier cities in the European Union. Analysed EU-wide data on tourism and city-branding and a local survey about Kosice.
Digital Marketer & Data Analyst @ Milk 09/20 – 11/22
Part-time roles in content marketing and data analysis to support my studies. I delivered analyses with ML and statistical models, prepared client reports in Data Studio, designed distribution strategies and prepared monthly content plans.
Marketing Intern @ Vacuumlabs 04/19 – 09/20
My first role to support my studies and learn something new.
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
Volunteer 12/2019–February 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.
Publications
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
- Data visualisation in Google Data Studio / Tableau / PowerBI
- Photoshop, Lightroom
Methods
- Causal analysis
- Conjoint analysis
- Forecasting
- Data mining
- Simulation
Languages
- Professional proficiency: English, Slovak (and Czech 😅)
- Limited proficiency: French
- Hobby learning: German, Italian