Rafael Valero-fernandez
Lead Data Scientist, VP
London, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolRafael Valero-Fernandez is a Lead Data Scientist and VP at Barclays with 10 years’ experience applying statistics, econometrics and engineering to people analytics and wellbeing. He builds data-driven products from surveys, HR systems and workplace analytics to surface causal insights about performance, diversity and Covid impacts, working closely with product managers and stakeholders to operationalize results. With a PhD in Economics and an academic background in Bayesian methods, VARs and A/B testing, he blends rigorous research methods with practical deployment (Python, R, Spark) and governance for fairness. He coaches and scales data science teams, driving standardization around tools and practices such as Git, CI, documentation and reproducible analysis. Prior roles in university research and e‑commerce recommendation systems give him a rare mix of academic depth and applied product delivery. Colleagues describe him as focused on measurable impact and on improving colleagues’ quality of life through thoughtful, evidence-based interventions.
10 years of coding experience
3 years of employment as a software developer
Doctor in Economics, Economía, Doctor in Economics, Economía at UA - Universidad de Alicante / Universitat d'AlacantMaster in Quantitative Economics, Econometrics and Quantitative Economics, Master in Quantitative Economics, Econometrics and Quantitative Economics at Universitat d'Alacant / Universidad de AlicanteLicenciado en Economía, Business/Managerial Economics, Licenciado en Economía, Business/Managerial Economics at Universidad de Murcia
English, Spanish
Stackoverflow
2,786reputation
3.4mreached
94answers
5questions
dictionary
top-5%
nltk
top-5%
python
top-5%
Github Skills (53)
python9
classification9
nltk9
topic-models9
tf-idf9
dictionary9
topic-modeling9
nlp8
omega8
sentence-embeddings8
annotations8
anova7
semantic-segmentation7
machine-learning7
computer-vision7
Programming languages (5)
Github contributions (5)
rafaelvalero/different_notebooks
Apr 2018 - Jan 2022
Contributions:6 commits, 1 push, 3 branches in 3 years 9 months
rafaelvalero/SCSL
Apr 2018 - Jan 2022
Synthetic Control with Statistical Learning
Contributions:1 release, 2 PRs, 9 pushes in 3 years 9 months
statistical-learningstatisticalmachine-learningsynthetic
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