PeopleofSuperintelligence

Researcher

Elad Hazan

Elad Hazan is a computer scientist whose research covers optimization and online learning. He earned his doctorate at Princeton in 2006 under Sanjeev Arora, after studying computer science at Tel Aviv University. With John Duchi and Yoram Singer, he co-developed AdaGrad, one of the most popular methods for training deep neural networks. Nokia awarded him second place in its 2016 Bell Labs Prize, and ACM named him one of its 2021 ACM Fellows. As of October 2026, he is a professor of computer science at Princeton University and co-founder and director of Google AI Princeton.

Works
228
Citations
16,995
h-index
47

Publication numbers from OpenAlex, as of 15 October 2026.

Timeline

  1. 2001–2006

    A Princeton doctorate

    He receives bachelor's and master's degrees in computer science from Tel Aviv University in 2001 and 2002. He earns his doctorate at Princeton in 2006 under Sanjeev Arora.

  2. 2006–2010

    IBM Almaden, then Technion

    He becomes a research staff member in the Theory Group at IBM Almaden Research Center in 2006. He then becomes an assistant professor at Technion in 2010.

  3. 2011

    AdaGrad for deep learning

    He co-authors Adaptive Subgradient Methods for Online Learning and Stochastic Optimization with John Duchi and Yoram Singer, published in 2011 in the Journal of Machine Learning Research. AdaGrad, co-developed by Hazan and Singer with John Duchi, is one of the most popular methods for training deep neural networks.

  4. 2015–2016

    Joining Princeton's faculty

    He joins Princeton University as an assistant professor of computer science in 2015. He becomes a professor of computer science there in 2016.

  5. 2016

    A second-place Bell Labs Prize

    Nokia awards him second place in its 2016 Bell Labs Prize for Linear Learning for Deep Insight.

  6. 2018

    A Google AI lab in Princeton

    Google acquires In8, a startup Hazan co-founded, in 2018. He and Yoram Singer are set to lead a new Google AI lab in Princeton.

  7. 2021

    An ACM Fellowship

    ACM names him one of its 2021 ACM Fellows, together with Mark Braverman and Szymon Rusinkiewicz.

  8. As of October 2026

    Princeton professor and lab director

    He is a professor of computer science at Princeton University and co-founder and director of Google AI Princeton.

Sources and credits

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  1. Elad Hazan - Wikipedia en.wikipedia.org. Checked 15 October 2026.
  2. Elad Hazan cs.princeton.edu. Checked 15 October 2026.
  3. Adaptive Subgradient Methods for Online Learning and Stochastic Optimization jmlr.org. Checked 15 October 2026.
  4. Google to open artificial intelligence lab in Princeton and collaborate with University researchers | CS cs.princeton.edu. Checked 15 October 2026.
  5. Nokia announces its 2016 Bell Labs Prize winners | Cambridge Network cambridgenetwork.co.uk. Checked 15 October 2026.
  6. Mark Braverman, Elad Hazan, and Szymon Rusinkiewicz named 2021 ACM Fellows | CS cs.princeton.edu. Checked 15 October 2026.
  7. Bio and CV | Elad Hazan ehazan.com. Checked 15 October 2026.