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1 follower · 3 following
  • Madbox
  • Barcelona

Achievements

Achievement: Pair Extraordinairex2Achievement: Pull Sharkx2Achievement: YOLO

Achievements

Achievement: Pair Extraordinairex2Achievement: Pull Sharkx2Achievement: YOLO

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mponsclo/README.md

Hi, I'm Marcel 👋

Senior Data Scientist based in Barcelona. I build predictive models and the data infrastructure that makes them possible. LTV forecasting, churn prediction, and end-to-end pipelines on GCP.

Featured projects

Project Use case Stack Key result
bigquery-air-quality-forecasting Air quality forecasting + anomaly detection LightGBM, dbt, BigQuery, Terraform, Cloud Run 25-station ensemble, deployed to Cloud Run
banking-fraud-detection-pipeline Fraud detection + expense forecasting LightGBM, dbt, DuckDB, LangChain, BigQuery Fraud BA=0.97, forecasting R2=0.76
session-recommender-lambdarank Session-based product recommendations LightGBM LambdaRank, Item2Vec, dbt, DuckDB NDCG@5 = 0.377, Hit Rate@5 = 76%
music-streaming-churn-prediction Subscription churn prediction (KKBox, WSDM Cup 2018) LightGBM, Optuna, SHAP, dbt, DuckDB ROC-AUC 0.924 on temporal holdout
temporal-association-rules-multimorbidity Clinical pattern mining from EHR data Python, Apriori extensions, Fleiss Kappa MSc thesis, validated with physicians

Right now

  • Deepening knowledge in causal inference and Bayesian modeling through production use cases at Madbox.
  • Exploring how far AI can go in replacing or augmenting data work (and where it falls short)

📎 LinkedIn · 🌐 mponsclo.com

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  1. temporal-association-rules-multimorbidity temporal-association-rules-multimorbidity Public

    Final Master's Project 2022. Development of two algorithms extending the Apriori framework with temporal dimensions to mine sequential clinical patterns from electronic health records of multimorbi…

    Python

  2. drug-interaction-nlp drug-interaction-nlp Public

    Repository for the Advanced Human Language Technologies course at UPC. Named Entity Recognition and retrieval of drugs interactions from raw text using Natural Language Processing techniques

    Jupyter Notebook 1

  3. bigquery-air-quality-forecasting bigquery-air-quality-forecasting Public

    End-to-end air quality forecasting & anomaly detection for 25 Seoul stations: DBT pipeline, LightGBM ensemble, FastAPI serving, Streamlit dashboard

    Python

  4. banking-fraud-detection-pipeline banking-fraud-detection-pipeline Public

    End-to-end fraud detection pipeline: LightGBM + Focal Loss, dbt on BigQuery, Terraform-managed GCP, FastAPI on Cloud Run

    Python

  5. session-recommender-lambdarank session-recommender-lambdarank Public

    Two-stage session-based recommender (LightGBM LambdaRank) for an Inditex hackathon. Cold-start focused, 93% of sessions have no user history. NDCG@5 = 0.377, Hit Rate@5 = 76%.

    Python

  6. music-streaming-churn-prediction music-streaming-churn-prediction Public

    End-to-end churn prediction on KKBox WSDM 2018: DuckDB + dbt feature engineering, LightGBM + Optuna, SHAP, temporal holdout evaluation.

    Python