Hire the Best Data Analysts
in Greece

📊 I hold a PhD in Economics with expertise in empirical econometrics, complemented by five years of professional experience in economic analysis and data analytics. My background also includes extensive work in time series forecasting and machine learning applications. 📈 I have collaborated with professionals across the stock market and betting industries to deliver projects forecasting stock market indices and soccer outcomes. 🛠 Technical Skills & Expertise: ✅ Data Analysis: Proficient in data processing, cleaning, and exploratory data analysis using pandas and numpy to derive actionable insights. ✅ Data Visualization: Skilled in effectively communicating findings through tools such as matplotlib, seaborn, and interactive tools such as Streamlit. ✅ Machine Learning: Experienced in creating Machine Learning forecasts and reports using various packages, including scikit-Learn, keras, and statsmodels. ✅ Econometrics: Demonstrated academic success in empirical econometric projects, specializing in causal inference with panel data and employing models such as propensity score matching and difference-in-differences, as well as time series forecasting models (ARIMA/VAR). ✅ Research: Experienced in conducting rigorous empirical research in economics, applying statistical and econometric methods to analyze large datasets. Skilled in extracting meaningful insights and translating them into actionable economic conclusions. Published in peer-reviewed journals on firms' competitiveness. Also experienced in academic writing and research dissemination.

Experienced Senior Accountant & Excel Specialist, looking to his first steps in UPWORK. As an experienced accountant, I have expertise in various areas of accounting, including bookkeeping, accounts receivable and payable management, bank reconciliation, financial reporting, tax forms preparation, general ledger maintenance, audit support, and compliance. I have maintained accurate and up-to-date records of financial transactions, prepared invoices, and followed up on outstanding balances to ensure timely payments. Additionally, I have reconciled bank statements with accounting records, prepared financial reports, filed tax forms, and ensured compliance with relevant accounting standards and regulations. With my expertise in accounting, I am confident in my ability to contribute to the success of any organization.

I build Power BI reports, semantic models, and KPI dashboards that are fast, accurate, and reliable to refresh. I’m a Microsoft Certified Power BI Data Analyst with an MSc in Data Analytics, and I have working experience creating report-producing tools, statistics, and visualizations in the context of PestNu, an EU-funded project. Whether you need a new dashboard, better DAX, a cleaner data model, or help fixing refresh/performance issues, I focus on reports that work in production — not just visuals that look good in screenshots. I can help with: -Power BI dashboards and KPI reporting -DAX measures based on real business rules -Data modeling using clean star schema design -Power Query and SQL for messy source data -Scheduled refresh troubleshooting -Performance optimization for slow reports -Auditing and improving existing PBIX files Relevant project experience: Built reporting tools and visualizations for PestNu, an EU-funded project Created statistics and visualizations from project questionnaire data Developed an HR Power BI report for headcount, retention, and turnover analysis Built a real estate insights Power BI report with summary, location, school, and feature views My working process: Understand the business question and required KPIs Review the source data and current report/model Clean and structure the data model Build DAX measures and visuals Test refresh, performance, and usability Good first projects include auditing an existing Power BI report, fixing a refresh issue, optimizing slow visuals/measures, or building one focused KPI dashboard before expanding the scope. If you share your data source, current setup, and reporting goals, I can help define the scope and propose the next practical step.

Warehouse & Logistics professional with strong hands-on experience in WMS/ERP environments and deep operational knowledge of distribution center management.Experienced in overseeing UAT processes, optimizing WMS operations, and analyzing business data using SQL, Qlik Sense, Power BI and Excel. Able to translate warehouse and logistics operational requirements into effective system solutions, combining business expertise with technical understanding. Strong communicator with both technical teams and business users, customer-oriented mindset, and proven experience in user training, post-implementation support, and functional issue resolution.

Experienced Tableau Data Analyst specializing in turning complex data into clear, interactive dashboards. I help businesses gain insights through clean visuals, dynamic filters, and custom KPIs tailored to your goals. Whether you need support with data preparation, dashboard design, or visual storytelling, I deliver efficient, high-quality results on time.

Hello, I'm Katherine, a bilingual dietitian interested in anything science or linguistics related. I can help you with: general translations website and app translation and localization proofreading personalized nutrition and education meal plans evidence-based science communication My work values are: reliability accountability quality punctuality efficiency communication organization