Marco De Nadai is a Senior Research Scientist based in Copenhagen with 12 years of experience building generative AI, LLMs, computer vision and behavior-prediction systems for product-scale recommendations. Currently at Spotify he develops LLM foundational models for steerable, context-aware recommendation and representation learning, and previously built multimodal generative outfit-recommendation systems at Zalando. His PhD work fused Street View imagery, GPS traces and geographic data to predict human activities, a thread that continues in industry projects that blend large-scale behavioral signals with multimodal models. He has a strong academic publication record (NeurIPS, ICCV, CVPR, Science Advances) and practical impact from deploying models in production, including contributions to the PyMC probabilistic programming ecosystem for Bayesian model evaluation. Known for improving vision transformer performance in low-data regimes and for translating research into measurable business metrics, he combines rigorous probabilistic thinking with hands-on engineering.
Bayesian Modeling and Probabilistic Programming in Python
Role in this project:
Data Scientist
Contributions:12 commits, 14 PRs, 61 comments in 7 months
Contributions summary:Marco primarily contributed to the PyMC3 library, focusing on statistical analysis and model selection. Their work involved updating documentation, fixing inconsistencies in variational inference API, and optimizing statistical functions. They also implemented the R2 score function for Bayesian regression models, demonstrating skills in model evaluation and enhancement.
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Marco De Nadai - Senior Research Scientist at Spotify