Roy Legziel
Data Scientist
Barcelona, Catalonia, Spain
Summary
👤
Senior🎓
Top SchoolRoy Legziel is a Data Scientist based in Barcelona with 8 years' experience specializing in NLP, user modeling, and marketing analytics. He has built and deployed end-to-end ML solutions across travel, health, and adtech—most recently contributing to Skyscanner after optimizing campaign uplift and health-flag prediction models at Teladoc Health. His background includes language-model pipeline optimization and data curation at M47 Labs, and user trajectory clustering and prediction at Dephion, giving him a strong mix of production ML engineering and applied research. Roy pairs rigorous modeling (propensity/uplift, clustering) with pragmatic deployment skills to drive measurable business impact and improved user experiences. A former top-performing tech support agent, he brings a customer-centric perspective to ML product design that helps bridge technical work and user outcomes.
8 years of coding experience
4 years of employment as a software developer
BSc (Honours) Data Science and Artificial Intelligence, BSc (Honours) Data Science and Artificial Intelligence at Maastricht University
English, Hebrew
Stackoverflow
1reputation
1kreached
0answers
3questions
Github Skills (5)
mql6
javascript6
lstm6
python6
if-statement6
Programming languages (1)
Github contributions (5)
royRLL/Project-1.1-GCP
Oct 2018 - Feb 2019
Contributions:107 pushes, 1 branch in 4 months
royRLL/MSGroupProject
Apr 2020 - May 2020
Contributions:33 commits, 26 pushes, 1 branch in 1 month
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