Sam Elder

Lead Machine Learning Scientist at Kebotix
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Location
Singapore, Singapore, SG

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Experience

    • United States
    • Chemical Manufacturing
    • 1 - 100 Employee
    • Lead Machine Learning Scientist
      • Aug 2022 - Present

    • Machine Learning Scientist
      • Nov 2018 - Aug 2022

    • United States
    • Higher Education
    • 1 - 100 Employee
    • Data Science Fellow
      • Sep 2018 - Nov 2018

      - Produced automated analytics using Facebook Prophet for forecasting food waste to help clients of food donation startup Copia reduce their waste by up to ~ 80%. - Offered a range of forecasts aggregated weekly, monthly, and quarterly to improve predictability and match potential decision timescales for businesses. - Integrated forecasts from Python and Pandas into Periscope data visualization dashboards for use by Copia as a core component of their data analysis product. - Produced automated analytics using Facebook Prophet for forecasting food waste to help clients of food donation startup Copia reduce their waste by up to ~ 80%. - Offered a range of forecasts aggregated weekly, monthly, and quarterly to improve predictability and match potential decision timescales for businesses. - Integrated forecasts from Python and Pandas into Periscope data visualization dashboards for use by Copia as a core component of their data analysis product.

    • United States
    • Higher Education
    • 700 & Above Employee
    • Graduate Student Researcher
      • Aug 2012 - Aug 2018

      - Designed extrapolation methods for eliminating the bias inherent in the smaller training set sizes all classical cross-validation methods utilize, improving validation accuracy in an online learning context. - Built hierarchical cross-validation methods to select between the growing variety of cross-validation methods (new and classical) in a data-dependent fashion. - Discovered difficulties with generalization under adaptivity, producing new limits on when obfuscation (e.g. adding noise) can preserve holdout set accuracy despite repeated, adaptive use. - Proved that the ubiquitous Beta distribution is tightly concentrated about its mean. Show less

Education

  • Massachusetts Institute of Technology
    Doctor of Philosophy (PhD), Applied Mathematics
    2012 - 2018
  • Caltech
    Bachelor of Science (BS), Mathematics and Chemistry
    2008 - 2012

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