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Andreas C. Müller

Core developer and co-maintainer of scikit-learn; Principal Research SDE at Microsoft

Andreas C. Müller is a Principal Research SDE at Microsoft, working in the Gray Systems Lab, and one of the core developers of the scikit-learn machine learning library, which they have co-maintained for several years. Müller's CV lists earlier positions as a Machine Learning Scientist at Amazon, a Research Engineer at the NYU Center for Data Science, and a Lecturer in Discipline and Associate Research Scientist at Columbia University, where the work included scikit-learn development. Müller also created and maintains the PyStruct and wordcloud Python packages and, with Sarah Guido, wrote the O'Reilly book Introduction to Machine Learning with Python, a practical guide built around scikit-learn.123

Work

  • scikit-learn (external site: github.com)Open-source code

    Listed on the scikit-learn About page in the active Maintainers Team; Müller's homepage describes the role as core developer and co-maintainer, and the CV adds membership of the project's Technical Committee.3124

  • PyStruct (external site: pystruct.github.io)Open-source code

    Author and maintainer of PyStruct, a Python library for structured learning and prediction.125

  • Introduction to Machine Learning with Python

    Co-author, with Sarah Guido, of the 2016 O'Reilly book, which teaches applied machine learning with a detailed tour of scikit-learn's main modules.12

Earlier roles

  • Research Engineer at the NYU Center for Data Science (2014–2016), New York University2
  • Machine Learning Scientist (2013–2014), Amazon2

This profile covers public professional work only, from the sources below. It is not an endorsement or a ranking. To correct or remove it, use the correction form.

Sources · reviewed Oct 13, 2026

  1. 1.
  2. 2.
    Andreas C. Müller — curriculum vitae (January 2021) (external site: amueller.github.io)

    Andreas C. Müller · Official page · published Jan 2021 · accessed Oct 13, 2026

  3. 3.
  4. 4.
    scikit-learn/scikit-learn COPYING (BSD 3-Clause License) (external site: github.com)

    scikit-learn (GitHub repository) · License · accessed Oct 13, 2026

  5. 5.
    pystruct/pystruct LICENSE (BSD-style) (external site: github.com)

    pystruct (GitHub repository) · License · accessed Oct 13, 2026

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