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Jeff Dean
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Jeff Dean

Google engineer behind MapReduce, Bigtable, TensorFlow and Gemini

23 July 1968 United States Verified by our editors
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Age
58 yrs
Birthday in 259 days
Works listed
2
Paper, Software
Honours
2
Most recent 2021
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Jeff Dean is an American computer scientist at Google who co-designed systems that let Google run at enormous scale, including MapReduce and Bigtable with Sanjay Ghemawat. He co-founded Google Brain, led TensorFlow and was Google’s chief scientist from 2023 to 2026, before co-founding the AI start-up Discovery Loop.

Biography

Background

Dean grew up in Hawaii, Somalia, Uganda and elsewhere. He studied at the University of Minnesota and earned his PhD at the University of Washington on compilers. He worked at DEC’s research lab and joined Google in 1999.

Scaling Google

With Sanjay Ghemawat he built many of Google’s core systems: its ads and indexing systems, MapReduce (2004) for processing huge data sets, Bigtable and later Spanner. MapReduce inspired the open-source Hadoop.

Google Brain

In 2011 he co-founded Google Brain with Andrew Ng and Greg Corrado, applying large neural networks to speech, images and translation. He led the creation of TensorFlow, released in 2015.

Gemini

After Google Brain merged with DeepMind in 2023, Dean became Google’s chief scientist, co-leading the Gemini AI models until 2026. That year he co-founded the AI research start-up Discovery Loop with Sanjay Ghemawat and others.

Timeline

  1. 1968

    Born in Hawaii, United States

  2. 1999

    Joins Google

  3. 2004

    MapReduce paper

  4. 2006

    Bigtable paper

  5. 2011

    Co-founds Google Brain

  6. 2012

    ACM Prize in Computing

  7. 2015

    TensorFlow released

  8. 2023

    Becomes Google’s chief scientist

  9. 2026

    Co-founds Discovery Loop

Notable works

  • 2004

    MapReduce: Simplified Data Processing on Large Clusters Paper

    With Sanjay Ghemawat.

  • 2015

    TensorFlow Software

Awards and honours

  • ACM Prize in Computing

    2012

  • IEEE John von Neumann Medal

    2021

Did you know?

  1. 1

    Google engineers share jokey “Jeff Dean facts”, such as that compilers apologise to him.

  2. 2

    His PhD was on optimising object-oriented programs.

  3. 3

    His PhD adviser was Craig Chambers at the University of Washington.

Connections

Related people

Also born on 23 July

Frequently asked

Who is Jeff Dean?

Jeff Dean is an American computer scientist at Google who co-designed systems that let Google run at enormous scale, including MapReduce and Bigtable with Sanjay Ghemawat. He co-founded Google Brain, led TensorFlow and was Google’s chief scientist from 2023 to 2026, before co-founding the AI start-up Discovery Loop.

How old is Jeff Dean?

Jeff Dean is 58 years old, born on 23 July 1968 in Hawaii, United States.

Where is Jeff Dean from?

Jeff Dean was born in Hawaii, United States.

What is Jeff Dean known for?

Jeff Dean is best known for MapReduce; Bigtable; Spanner; TensorFlow; Google Brain; Google chief scientist 2023–2026; Discovery Loop.

What awards has Jeff Dean received?

Notable honours include ACM Prize in Computing (2012), IEEE John von Neumann Medal (2021).

References

  1. Jeff Dean — Wikipedia. Wikipedia. Retrieved 4 November 2026.
  2. Official website. research.google. Retrieved 4 November 2026.
  3. Jeff Dean (Q6173703) — structured data. Wikidata. Retrieved 4 November 2026.

Includes material from the Wikipedia article “Jeff Dean”, licensed under CC BY-SA 4.0. That text is available under the same licence. Learn more

External links

Official website Website X (Twitter) Wikipedia
Filed under Artificial intelligenceDistributed computingGoogle Computer ScientistSoftware Engineer

About this profile

Cite this page

“Jeff Dean.” TrackFame, last updated 5 November 2026. https://trackfame.com/person/jeff-dean

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