Nikosย Karastathis
Data Science And AI Specialist, Director
Geneva, Geneva, Switzerland
Summary
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Top SchoolNikos Karastathis is a Data Science and AI specialist with 10+ years of experience applying machine learning and advanced analytics within high-stakes research and financial services. He moved from contributing to Nobel-winning particle physics analyses at CERN to leading data science teams at Credit Suisse and now directing AI initiatives at UBS, blending rigorous experimental research practices with production-grade ML engineering. His expertise spans predictive and generative models, NLP, recommender systems, and distributed data engineering (Spark, Kafka, Flink), enabling end-to-end analytics products for wealth management and trading platforms. A seasoned mentor and cross-functional collaborator, he builds teams that translate complex data into business-ready insights and measurable performance gains. Uncommonly for a finance AI lead, he has deep hands-on experience in large-scale scientific collaborations and DevOps for instrumentation, which informs his emphasis on reproducibility and operational robustness.
10 years of coding experience
13 years of employment as a software developer
Doctor of Philosophy (PhD) Experimental Particle Physics, Doctor of Philosophy (PhD) Experimental Particle Physics at University of TwenteNational Center for Scientific Research "Demokritos"โBachelor of Science (BSc) (5-year MSc equivalent) Engineering Physics, Bachelor of Science (BSc) (5-year MSc equivalent) Engineering Physics at National Technical University of Athens
English, French, Greek
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (9)
python6
cython6
beam2
mat2
tfs1
dataframes1
logging1
pandas1
matplotlib1
Programming languages (2)
Github contributions (5)
nkarast/PyNAFF
Mar 2017 - Oct 2019
A Python module that implements NAFF Algorithm
Contributions:7 commits, 5 PRs, 31 pushes in 2 years 7 months
naffpythonpython-modulepython3cython
nkarast/Snippets
Aug 2015 - Aug 2017
Contributions:19 pushes, 1 branch in 1 year 11 months
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