Alex Spanos
Head Of Data
Athens, Attica, Greece
Summary
👤
Senior🎓
Top SchoolAlex Spanos is a strategic Head of Data & AI with 11 years’ experience building data platforms and ML-powered products across Fintech and startups, currently leading data at Stream from London. He has a track record of founding and scaling distributed teams (10+ FTE), delivering multi-geo enterprise data platforms, and driving post-M&A technical integrations and group-wide data governance. A Royal Statistical Society Chartered Statistician and Advanced Data Science Professional, Alex blends strong statistical rigour with practical engineering—having built dbt/Supabase stacks, production ML services, and LLM-driven RAG workflows. He’s known for turning transaction-level banking data into revenue-generating decision engines and for implementing extensive data testing and observability (1,000+ tests, scheduled quality pipelines). Notably, he moves fluently between product, engineering and science roles, having shipped Income and Spending APIs and co-founded new teams that bridged research to commercial data products.
11 years of coding experience
6 years of employment as a software developer
Erasmeios Greek-German SchoolNanodegree Data Analyst, Nanodegree Data Analyst at UdacityMSc Statistics, MSc Statistics at University of LeedsMSc Applied Mathematical & Physical Sciences, MSc Applied Mathematical & Physical Sciences at National Technical University of Athens
English, Greek, German, Spanish
Stackoverflow
103reputation
26kreached
2answers
1question
Github Skills (37)
data-science7
data-analysis7
csv6
cypher6
mlops6
anaconda6
pymc6
ranking6
theano6
conda6
keras5
dbt-packages5
machine-learning4
dbt4
feature-engineering4
Programming languages (4)
Github contributions (5)
alejio/fpl-team-picker
Aug 2025 - Jan 2026
Contributions:20 PRs, 153 pushes, 21 branches in 4 months
alejio/alejio.github.io
Aug 2019 - Jan 2026
Contributions:19 PRs, 89 pushes, 19 branches in 6 years 6 months
reactnextjs
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