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William Falcon

Creator of PyTorch Lightning and CEO of Lightning AI

William Falcon is the creator of PyTorch Lightning and the CEO of Lightning AI, according to Falcon's GitHub profile. The PyTorch Lightning citation file lists Falcon as the framework's author together with "The PyTorch Lightning team", and Falcon published the 1.0.0 general availability release in October 2020. Falcon's profile also lists past work at Facebook AI Research and Goldman Sachs.124

Career

Falcon's GitHub profile describes Falcon as the creator of PyTorch Lightning and CEO of Lightning AI, and as an AI PhD researcher at NYU. The same profile lists earlier work at Facebook AI Research, Goldman Sachs and Columbia, and a co-founding role at NextGenVest.1

Open-source work

The PyTorch Lightning citation file gives a release date of 2019-03-30 and lists Falcon and "The PyTorch Lightning team" as authors. The framework organizes PyTorch code so that training infrastructure such as mixed precision and multi-GPU or multi-node training is handled by the library, and it is published under the Apache 2.0 license.256

Falcon published the 1.0.0 "General availability" release of PyTorch Lightning in October 2020, and the repository's CODEOWNERS file lists Falcon, together with Luca Antiga, as an owner of the README and documentation index files.43

Research

With Kyunghyun Cho, Falcon wrote a 2020 paper that describes contrastive self-supervised learning methods within a single conceptual framework and uses it to design a new approach.7

Work

Career timeline

  1. Mar 30, 2019

    PyTorch Lightning's citation file records a release date of 2019-03-30, with Falcon as named author.2

  2. Aug 2020

    Posted a paper on a framework for contrastive self-supervised learning with Kyunghyun Cho.7

  3. Oct 13, 2020

    Published the PyTorch Lightning 1.0.0 general availability release.4

Other documented roles

Roles the sources document but that are not confirmed as current.

More sourced profiles at the same organization, in the same field, or from the same school.

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References · reviewed Oct 22, 2026

  1. 1.
    williamFalcon (William Falcon) on GitHub (external site: github.com)

    GitHub · Official page · accessed Oct 22, 2026

  2. 2.
    Lightning-AI/pytorch-lightning CITATION.cff (external site: github.com)

    Lightning-AI (GitHub repository) · Repository · accessed Oct 22, 2026

  3. 3.
    Lightning-AI/pytorch-lightning CODEOWNERS (external site: github.com)

    Lightning-AI (GitHub repository) · Repository · accessed Oct 22, 2026

  4. 4.
    PyTorch Lightning 1.0.0 — General availability (release notes) (external site: github.com)

    Lightning-AI (GitHub repository) · Release notes · published Oct 13, 2020 · accessed Oct 22, 2026

  5. 5.
    Lightning-AI/pytorch-lightning repository (Apache-2.0) (external site: github.com)

    Lightning-AI (GitHub repository) · Repository · accessed Oct 22, 2026

  6. 6.
    Lightning-AI/pytorch-lightning README (external site: github.com)

    Lightning-AI (GitHub repository) · Repository · accessed Oct 22, 2026

  7. 7.

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