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David Cournapeau

David Cournapeau is best known as the original author of scikit-learn, an open-source machine learning library for Python. His education included an MSc in electrical engineering from Telecom ParisTech in 2004 and a PhD in speech recognition at Kyoto University. Starting in 2006, he became a regular NumPy contributor and later served as release manager for NumPy and SciPy. Before joining Cogent Labs in August 2017 as head of its machine learning engineering team, he worked at Silveregg and then at Enthought, a scientific consulting company. Today he is an engineering manager in applied science at Amazon.

Timeline

  1. 2004

    An MSc and a Kyoto PhD

    He earns an MSc in electrical engineering from Telecom ParisTech in 2004, and then a PhD in speech recognition at Kyoto University.

  2. 2006

    Release manager for NumPy and SciPy

    In 2006 he becomes a regular NumPy contributor, and later he serves as release manager for NumPy and SciPy for a few years.

  3. 2007

    Starting scikit-learn

    A Google Summer of Code project begins in 2007 and grows into scikit-learn, an open-source machine learning library for Python; he is its original author.

  4. 2011–2017

    From Silveregg to Enthought

    In 2011 he works at Silveregg, a Japanese company, on new products and statistical algorithms. He then works at Enthought, a scientific consulting company, until 2017.

  5. August 2017

    Machine learning at Cogent Labs

    He joins Cogent Labs in August 2017 as head of its machine learning engineering team.

  6. By 2023

    Machine learning at Mercari

    At Mercari, Inc. he works as a machine learning engineering manager until 2023.

  7. Since 2023

    Applied science at Amazon

    Today he is an engineering manager in applied science at Amazon.

Sources and credits

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  1. David Cournapeau - Wikipedia en.wikipedia.org. Checked 14 October 2026.
  2. Meet our keynote speaker David Cournapeau! | PyCon Thailand 2019.th.pycon.org. Checked 14 October 2026.
  3. PyData 2014 | London | Feb 21 - 23 pydata.org. Checked 14 October 2026.
  4. About us — scikit-learn 1.9.1 documentation scikit-learn.org. Checked 14 October 2026.
  5. PyCon US 2011 pycon-archive.python.org. Checked 14 October 2026.
  6. Finally moving to pelican/github pages — Nothing to say cournape.github.io. Checked 14 October 2026.