Video recordings

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  Jakub T. Jankiewicz at the international FOSDEM 2023 conference in Brussels, delivering a technical talk about powerful introspection and extensibility features in LIPS Scheme.

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  Jakub T. Jankiewicz presents at the national WZLOT 2024 conference in Opole. The session covers the practical application of ChatGPT to assist and automate the creation of complex SPARQL queries for Wikidata.

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  Chat with Jakub T. Jankiewicz about isomorphic-git during Open Source Friday hosted by GitHub.

Presentations at the WZLOT conference

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  Jakub T. Jankiewicz during his first presentation at the WZLOT 2023 conference in Kraków entitled 'Wikikod nie jest straszny' (Wikicode is not scary).

  Photo: Robert Drózd, license: CC BY-SA 4.0, via Wikimedia Commons.

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  Jakub T. Jankiewicz during the presentation 'ChatGPT w pomocy przy tworzeniu zapytań do Wikidata' at the WZLOT 2024 conference in Opole (the video recording is available above).

  Photo: Robert Drózd, license: CC BY-SA 4.0, via Wikimedia Commons.

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  Jakub T. Jankiewicz during the presentation 'Jak działają szablony?' (How templates work?) at the national WZLOT conference in 2025 in Lublin. The presentation slides are available on Wikimedia Commons. Based on this presentation, a new official help page was created: Pomoc:Szablony on Polish Wikipedia.

  Photo: Robert Drózd, license: CC BY-SA 4.0, via Wikimedia Commons.

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  Jakub T. Jankiewicz during a discussion panel and presentation at the WZLOT 2026 conference in Łódź.

  Photo: Robert Drózd, license: CC BY-SA 4.0, via Wikimedia Commons.

Self Portraits

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  Jakub T. Jankiewicz self-portrait in the mirror taken in 2013, originally published on Flickr on Open license.

  Photo: Jakub T. Jankiewicz, license: CC BY-SA 4.0, via Flickr.

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  Jakub T. Jankiewicz self-portrait in the mirror taken in 2012, originally published on Flickr on Open license.

  Photo: Jakub T. Jankiewicz, license: CC BY-SA 4.0, via Flickr.

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  Jakub T. Jankiewicz self-portrait in the mirror taken in 2025, originally published on Flickr on Open license.

  Photo: Jakub T. Jankiewicz, license: CC BY-SA 4.0, via Flickr.

Other photographs of Jakub T. Jankiewicz

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  Portrait of Jakub T. Jankiewicz during a trainer workshop in Central Library of the Masovian Voivodeship in 2022.

  Photo: Paulina Studniczka (WMPL), license: CC BY-SA 4.0, via Wikimedia Commons.

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  Portrait of Jakub T. Jankiewicz taking pictures using DSLR during Wzlot 2024

  Photo: Robert Drózd, license: CC BY-SA 4.0, via Wikimedia Commons.

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  Portrait of Jakub T. Jankiewicz taking pictures using mirrorless camera Fuji X-Pro 3 during Wzlot 2026

  Photo: Robert Drózd, license: CC BY-SA 4.0, via Wikimedia Commons.

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  Portrait of Jakub T. Jankiewicz behind the laptop in cafe during photoshot for WOŚP in 2014.

  Photo: Marcin Krogulec (WOŚP photoshot), All rights reserved.

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  Portrait of Jakub T. Jankiewicz behind the laptop full of stickers during photoshot for WOŚP in 2014.

  Photo: Marcin Krogulec (WOŚP photoshot), All rights reserved.

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  An official portrait of Jakub T. Jankiewicz during photoshot for WOŚP in 2014.

  Photo: Marcin Krogulec (WOŚP photoshot), All rights reserved.

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  Photo of Jakub T. Jankiewicz taking pictures during WOŚP photo session in Koleje Mazowieckie in 2020.

  Photo: Daria Uchman (WOŚP photoshot), All rights reserved.

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  Photo of Jakub T. Jankiewicz walking with a DLSR camera in Muskau Park in 2023.

  Photo: Sławomir Adamczak (Horyzonty phototrip), All rights reserved.