PeopleofSuperintelligence

Researcher

Dan Klein

Also known as Daniel Klein

Dan Klein is a professor of computer science at UC Berkeley, and he works on statistical natural language processing. He earned a BA from Cornell in 1998 and a Stanford PhD in 2004. Papers he co-wrote won best-paper awards at ACL 2003 and EMNLP 2004. In 2018, Microsoft acquired Semantic Machines, a Berkeley-based conversational AI company whose leaders included him. As of October 2026, he is CTO and co-founder of Scaled Cognition, which announced a $100 million Series A in June 2026.

Timeline

  1. 1998–2004

    Degrees from Cornell, Oxford and Stanford

    He earns a BA from Cornell in 1998 and an MSt in linguistics from Oxford in 1999, then a Stanford PhD in 2004.

  2. 2003–2004

    Best-paper awards for parsing

    He works on statistical natural language processing. Papers he co-wrote win best-paper awards at ACL 2003 for "Accurate Unlexicalized Parsing" and at EMNLP 2004 for "Max-Margin Parsing."

  3. 2004–2006

    A Hopper Award from ACM

    Microsoft names him a New Faculty Fellow in 2004. ACM gives him its Grace Murray Hopper Award in 2006.

  4. 2006

    Interpretable tree annotation

    In 2006 he co-authors a CoLing-ACL paper, "Learning accurate, compact, and interpretable tree annotation," with three co-authors.

  5. May 2018

    Acquisition of Semantic Machines

    In May 2018, Microsoft announces its acquisition of Semantic Machines, a Berkeley-based conversational AI company whose leaders include Dan Klein.

  6. June 2026

    A $100 million Series A

    In June 2026, Scaled Cognition announces a $100 million Series A led by Khosla Ventures.

  7. As of October 2026

    Professor at Berkeley and CTO

    He is a professor of computer science at UC Berkeley and CTO and co-founder of Scaled Cognition.

Sources and credits

Photo: We have no published photo of Dan Klein yet. Send us a free-licensed photo.

  1. Dan Klein | EECS at UC Berkeley www2.eecs.berkeley.edu. Checked 14 October 2026.
  2. Dan Klein - Wikipedia en.wikipedia.org. Checked 14 October 2026.
  3. Daniel Klein - International Computer Science Institute (ICSI) icsi.berkeley.edu. Checked 14 October 2026.
  4. Microsoft acquires Semantic Machines, advancing the state of conversational AI - The Official Microsoft Blog blogs.microsoft.com. Checked 14 October 2026.
  5. Scaled Cognition Raises $100M Series A Led by Khosla Ventures to Build Reliable Enterprise AI | Venture Capital Access Online vcaonline.com. Checked 14 October 2026.
  6. Dan Klein on What Happens When Wrong Answers Stop Looking Wrong | Scaled Cognition scaledcognition.com. Checked 14 October 2026.