PeopleofSuperintelligence

Researcher

Stefanos Zafeiriou

Also known as Stefanos P. Zafeiriou

Stefanos Zafeiriou is a professor of machine learning and computer vision at Imperial College London, where he has headed the Department of Computing since 2025. He joined Imperial as a research associate in 2008 and was promoted to professor in 2020. He co-founded FaceSoft, whose program came first in Imperial's Programm/able finals in June 2017. In 2019 he co-authored ArcFace, an additive angular margin loss for deep face recognition, and UKRI named him a Turing AI fellow in October 2024.

Timeline

  1. 2008–2011

    Research associate at Imperial

    He joins Imperial in 2008 as a research associate in electrical and electronic engineering, and he moves to the Department of Computing in 2010. He receives a junior research fellowship from Imperial College London in 2011.

  2. 2016–2020

    Oulu fellowship and a medal

    He holds a distinguishing research fellowship at the University of Oulu from 2016 to 2020. Imperial also gives him its President's Medal for Excellence in Research Supervision in 2016.

  3. June 2017

    Co-founding FaceSoft

    He co-founds FaceSoft, whose program comes first in the Programm/able finals at Imperial in June 2017.

  4. 2019

    The ArcFace loss

    In 2019 he co-authors ArcFace, an additive angular margin loss for deep face recognition.

  5. 2020

    Professor of machine learning

    He is promoted to professor in machine learning and computer vision in 2020.

  6. October 2024

    A Turing AI fellowship

    UKRI names him a Turing AI fellow, and his project aims to give AI assistants the ability to understand and work with any kind of data.

  7. Since 2025

    Head of the Department of Computing

    He accepts the appointment as Head of the Department of Computing for a five-year term that starts in September 2025.

Sources and credits

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  1. Head of the Department of Computing – Senior appointments blogs.imperial.ac.uk. Checked 15 October 2026.
  2. Stefanos Zafeiriou | About | Imperial College London profiles.imperial.ac.uk. Checked 15 October 2026.
  3. Stefanos Zafeiriou | Just another DoC WordPress site wp.doc.ic.ac.uk. Checked 15 October 2026.
  4. Face Soft wins Programm/able competition | Imperial News | Imperial College London imperial.ac.uk. Checked 15 October 2026.
  5. World-leading researchers named as Turing AI fellows – UKRI ukri.org. Checked 15 October 2026.