Researcher

Li Deng

Also known as Deng Li

Li Deng is a researcher and AI executive who helped bring deep neural networks into speech recognition. He studied electrical engineering at the University of Wisconsin at Madison from 1982 to 1987, then left the University of Waterloo to join Microsoft in 2000. The ISCA named him a Fellow in 2011, and the IEEE Signal Processing Society honored him with a Technical Achievement Award in 2015 and an Industrial Leader Award in 2019. In May 2017, the hedge fund Citadel hired him as chief AI officer. He is chief artificial intelligence officer at Vatic Investments, a post he took up in 2022.

Timeline

  1. 1982–1987

    A doctorate at Wisconsin–Madison

    He studies electrical engineering for a Ph.D. at the University of Wisconsin at Madison from 1982 to 1987. During these years he attempts neural models for human auditory simulation and speech recognition.

  2. 2000

    Joining Microsoft from Waterloo

    He leaves the University of Waterloo and joins Microsoft in 2000, where he focuses on speech recognition research with a Bayesian approach.

  3. 2009

    Deep neural networks for speech

    In 2009 he works with Geoffrey Hinton to apply deep neural networks to speech analysis and recognition.

  4. 2011

    An ISCA Fellowship

    The ISCA names him a Fellow in 2011 for his contributions to research and leadership in speech modeling and automatic speech recognition.

  5. 2015

    IEEE Technical Achievement Award

    In 2015 he receives the IEEE Signal Processing Society Technical Achievement Award for contributions to deep learning and automatic speech recognition.

  6. May 2017

    Joining the Citadel hedge fund

    He joins the hedge fund Citadel as chief AI officer in May 2017, leaving his post as chief scientist of AI at Microsoft.

  7. 2019

    An Industrial Leader Award

    In 2019 the IEEE Signal Processing Society honors him with its Industrial Leader Award for leadership in large-scale deep learning.

  8. Since 2022

    Chief AI officer at Vatic

    He is chief artificial intelligence officer and global head of machine learning at Vatic Investments, a post he takes up in 2022.

Sources and credits

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  1. A Journey with AI: From Speech to Finance · AI Frontiers Conference aifrontiers.com. Checked 14 October 2026.
  2. Three EE Affiliate Professors Receive IEEE Landmark Awards! | UW Department of Electrical & Computer Engineering ece.uw.edu. Checked 14 October 2026.
  3. ISCA - ISCA Fellow Program isca-speech.org. Checked 14 October 2026.
  4. Deng receives prestigious IEEE Technical Achievement Award - Microsoft Research microsoft.com. Checked 14 October 2026.
  5. 2019 IEEE Signal Processing Society Awardees | IEEE Signal Processing Society signalprocessingsociety.org. Checked 14 October 2026.
  6. Quant fund Vatic hires former Citadel chief AI officer - Alternatives Watch alternativeswatch.com. Checked 14 October 2026.
  7. Li Deng | China Institute of America chinainstitute.org. Checked 14 October 2026.
  8. Li Deng | lidengsite lidengsite.wordpress.com. Checked 14 October 2026.