Builder

Sanjay Ghemawat

Sanjay Ghemawat helped build the systems that let Google store data and process large jobs across many computers. He studied at Cornell and MIT, worked at Digital’s Systems Research Center, and joined Google in 1999. His shared projects include the Google File System, MapReduce, Bigtable, and TensorFlow. These systems address storage, divided work, and reliable execution when computers fail. Google now says Ghemawat and Jeff Dean are launching an independent public benefit corporation for research in machine learning, science, and engineering. His systems work supports large research efforts and everyday services.

Now at
Google
Works
63
Citations
60,525
h-index
26

Publication numbers from OpenAlex, as of 14 October 2026.

Photo of Sanjay Ghemawat

Timeline

  1. 1999 onward

    Joining Google

    Ghemawat joined Google in 1999.

  2. 2003

    Storing data across machines

    Ghemawat co-authored the Google File System paper in 2003.

  3. 2004

    Sharing out the work

    Dean and Ghemawat published MapReduce in 2004.

  4. 2006

    A table spread across servers

    Ghemawat co-authored Bigtable in 2006.

  5. 2015–2016

    Tools for machine learning

    Ghemawat joined the TensorFlow team, which released software in 2015.

  6. Announced by October 2026

    An independent research company

    Google announced an independent corporation with Ghemawat and Dean by October 2026.

Sources and credits

Photo: ACM interview hosted by Stephen Ibaraki. License: Not stated by source. Source: stephenibaraki.com. Cropped to a square and resized. Ask us to remove or replace this photo.

  1. Sanjay Ghemawat: published ACM interview and career account stephenibaraki.com. Checked 11 October 2026.
  2. The Google File System research.google. Checked 11 October 2026.
  3. MapReduce: Simplified Data Processing on Large Clusters research.google. Checked 11 October 2026.
  4. Bigtable: A Distributed Storage System for Structured Data research.google. Checked 11 October 2026.
  5. TensorFlow: Large-Scale Machine Learning on Heterogeneous Distributed Systems arxiv.org. Checked 11 October 2026.
  6. Google: The next chapter of our AI momentum blog.google. Checked 11 October 2026.