Stratos Gounidellis
Business Intelligence & Analytics Specialist at NN
Attica, Greece
Summary
👤
Senior🎓
Top SchoolStratos Gounidellis is a Business Intelligence & Analytics specialist with a decade of experience turning raw data into strategic insight for e-commerce and logistics businesses. He has driven profitability and cost-optimization initiatives at Skroutz—cutting program costs by up to 30%—and scaled self-service analytics across teams using Metabase, Tableau and Python-driven user segmentation. At efood and Amazon he automated reporting pipelines (BigQuery, SQL) and strengthened data quality, enabling faster operational decisions. Now at NN, he continues to blend hands-on analytics with mentoring and documentation to make data accessible and actionable across organizations. His background in MSc Data Science and international study at TUM underscore a methodical, research-informed approach to practical business problems.
10 years of coding experience
1 year of employment as a software developer
Master of Science - MS Data Science, Master of Science - MS Data Science at Athens University of Economics and BusinessERASMUS European Exchange Program Student Undergraduate Courses in Management & Technology (School of Management), ERASMUS European Exchange Program Student Undergraduate Courses in Management & Technology (School of Management) at Technical University of Munich
Greek, English, German, Italian
Github Skills (15)
kmeans8
quest8
anaconda6
mongodb5
jupyter-notebook5
neo4j5
science4
python4
redis4
spark3
database3
big-data2
data-science2
sql2
hadoop2
Programming languages (1)
Github contributions (5)
dbsmasters/bdsmasters
Mar 2017 - May 2017
The End of Science: The quest for knowledge used to begin with grand theories. Now it begins with massive amounts of data. Welcome to the Petabyte Age.
Contributions:40 commits, 36 pushes in 1 month
pythonagejupyter-notebookanacondamongodb
DataMinersNS/miningRepo
Mar 2018 - Apr 2018
Contributions:20 commits, 18 pushes, 1 branch in 26 days
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