Vasilis Kontonis
Manager - Statistical Data Sciences
Athens, Attica, Greece
Summary
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Senior🎓
Top SchoolVasilis Kontonis is a seasoned statistical data science leader based in Athens, Greece, with nine years of experience turning complex data into actionable business insights across pharma, e-commerce, and gaming. Currently the Manager of Statistical Data Sciences at Pfizer, he combines rigorous modeling with strategic stakeholder collaboration to drive data-led decisions under tight deadlines. During his tenure at Skroutz, he led BI initiatives as BI Lead and Senior BI Analyst, building data platforms, dashboards, and predictive analytics that empower cross-functional teams. Earlier roles at Kaizen Gaming, IRI, and e-Travel shaped his expertise in ML, forecasting, churn prediction, LTV, pricing analytics, and data visualization using Python/R, SQL, and Power BI. He supplements hands-on work with formal training from Cambridge Judge Business School and Udacity nanodegrees in Data Science and Data Engineering, reflecting a strong commitment to continuous learning and practical impact.
9 years of coding experience
3 years of employment as a software developer
Executive Education Business Analytics: Decision Making Using Data, Executive Education Business Analytics: Decision Making Using Data at Cambridge Judge Business SchoolNanodegree, Data Engineering, Nanodegree, Data Engineering at UdacityMaster’s Degree, Applied Statistics, Master’s Degree, Applied Statistics at University of PiraeusBachelor's Degree, Statistics and Actuarial-Financial Mathematics, Bachelor's Degree, Statistics and Actuarial-Financial Mathematics at University of the Aegean
English, GreekGithub contributions (5)
bkontonis/Analysing-Seattle-Airbnb-Open-Data
Aug 2019 - Sep 2019
Contributions:22 pushes, 1 branch in 4 days
bkontonis/Plot-PostCodes-on-Interactive-Map-Using-Python
Sep 2019 - Sep 2019
Contributions:6 commits, 5 pushes, 1 branch in 1 day
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