Obryan Poyser Calderón, Ph.D.

Obryan Poyser Calderón, Ph.D.

Credit and Collection Assistant

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  • Timeline

  • About me

    Data Science Manager @ PepsiCo

  • Education

    • Universidad Nacional de Costa Rica

      2007 - 2015
      Licenciate Economics
    • Universitat Autònoma de Barcelona

      2016 - 2019
      Doctor of Philosophy (Ph.D.) Applied Economics 9.0

      Activities and Societies: - Ph.D. students representative - Bayesian methods- Space State Modeling- Forecasting- Time series causality- Digital economics- Behavioral economics- Cryptocurrencies

    • Universitat Autònoma de Barcelona

      2015 - 2016
      Master’s Degree Applied Research in Economics and Business
  • Experience

    • Irex de Costa Rica

      Dec 2007 - Mar 2009
      Credit and Collection Assistant
    • InmoInfo S.A.

      Jun 2012 - Feb 2013
      Research Analyst
    • Programa Estado de la Nación

      Feb 2013 - Aug 2015
      Research Economist
    • Universidad de las Ciencias Empresariales

      May 2015 - Aug 2015
      Associate Professor
    • Universitat Autònoma de Barcelona

      Oct 2016 - Jun 2019
      • Associate Professor

        Oct 2017 - Jun 2019
      • Ph.D. Researcher

        Oct 2016 - Jun 2019
    • Zentrum für Europäische Wirtschaftsforschung GmbH (ZEW)

      Jan 2019 - May 2019
      Visiting Researcher
    • Sanofi

      Jun 2019 - Oct 2021
      Statistical Forecaster
    • PepsiCo

      Oct 2021 - now
      • Data Science Manager

        Dec 2024 - now
      • Data Science Assoc. Manager | Senior Data Scientist

        Sept 2022 - Dec 2024
      • Data Scientist

        Oct 2021 - Sept 2022
  • Licenses & Certifications

    • Computational Bayesian Statistics

      Universidad de Costa Rica
      Apr 2014
    • Big Data with Apache Spark

      Universidad Politécnica de Madrid
      Jul 2016
    • Scalable Machine Learning with Apache Spark

      Databricks
      May 2023
    • Experimental Economics

      UAB - Universitat Autònoma de Barcelona
      Jun 2016
    • Introduction to Neuroeconomics: how the brain makes decisions

      Coursera
      Jun 2014
      View certificate certificate
    • Model Thinking

      Coursera
      Jun 2014
      View certificate certificate