Eleftherios Spyromitros-xioufis
Senior Manager - Machine Learning Science at Expedia Group
Geneva, Geneva, Switzerland
Summary
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Senior🎓
Top SchoolEleftherios Spyromitros-xioufis is a Senior Manager in Machine Learning Science at Expedia Group with 18 years of experience building production ML systems that personalize travel experiences and optimize marketplace health. He leads and mentors a team delivering ranking, recommendation and embedding models for hotels and vacation rentals while remaining deeply hands-on with Spark, Python and Keras. His background spans academic research (PhD in Machine Learning) and applied work in large-scale image retrieval, NLP for hate-speech detection, and air-quality estimation from user images—skills he leverages to bridge research and product impact. Based in Geneva, he combines rigorous multi-objective optimization expertise with practical engineering to drive trusted, scalable personalization. A practitioner who still codes, he’s known for turning complex, multi-target problems into deployable models that measurably improve user experience and partner outcomes.
18 years of coding experience
14 years of employment as a software developer
Master's degree Information Systems, Master's degree Information Systems at Aristoteleion Panepistimion ThessalonikisDoctor of Philosophy (Ph.D.) Machine Learning, Doctor of Philosophy (Ph.D.) Machine Learning at Aristotle University of Thessaloniki (AUTH)Master's degree Computer Science, Master's degree Computer Science at Otto-von-Guericke-Universität Magdeburg
English, German, Greek
Stackoverflow
1reputation
0reached
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Github Skills (29)
feature-extraction9
extraction9
azerothcore9
indexing8
retrieval8
large-scale7
scale7
nlp7
deep-learning6
machine-learning6
python6
pytorch6
sms-messages5
gmail3
mms3
Programming languages (3)
Github contributions (5)
MKLab-ITI/multimedia-indexing
Sep 2013 - Mar 2016
Contributions:38 commits, 1 PR, 11 pushes in 2 years 6 months
pytorchnlpextractionpythonfeature-extraction
lefman/mulan-extended
Sep 2015 - Jan 2021
An extension of Mulan
Contributions:7 commits, 8 pushes, 3 branches in 5 years 5 months
extensionsazerothcore
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