Nikolaos Ziagkos

Nikolaos Ziagkos

Data Analyst
Greece
Greek, English

About Me

Data Analyst with strong skills in Power BI, SQL, R, Python, and predictive analytics. Experienced in transforming complex datasets into actionable insights and building interactive dashboards. Multidisciplinary backgrou…

Experience

DATA & GEOLOGICAL MODELLING ASSISTANT

DESIGN OFFICE – BOURMAS G. (ATHENS)
Jan 2015 - Jan 2015

Evaluated borehole logs and performed structured data validation.
Built geological databases and spatial block models using Surpac.

DATA & GIS ANALYST

PAVLOS G. KRASAKIS (ATHENS)
Jan 2014 - Jan 2014

Cleaned and visualised hydrogeological data using ArcGIS.
Produced analytical maps for environmental decision-making.

PAVLOS G. KRASAKIS (ATHENS) – DATA & GIS ANALYST

Cleaned and visualised hydrogeological data using ArcGIS., Produced analytical maps for environmental decision-making.

DESIGN OFFICE – BOURMAS G. (ATHENS) – DATA & GEOLOGICAL MODELLING ASSISTANT

Evaluated borehole logs and performed structured data validation., Built geological databases and spatial block models using Surpac.

Skills

Data Analysis & BI: Power BI (DAX data modelling dashboards) Excel (advanced) Programming: R Python JavaScript Databases: SQL NoSQL data modelling Data Processing: Regression modelling EDA data cleaning ETL concepts GIS & Spatial Analysis: ArcGIS Surfer Grapher Erdas Mining/Geological Modelling: Surpac Certifications: ECDL Excel for Business Professional Power BI DAX Data modelling Dashboards Excel Python JavaScript SQL NoSQL Regression modelling EDA Data cleaning ETL concepts ArcGIS Surfer Grapher Erdas Surpac ECDL Excel for Business Professional
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