Founder Directory

Daniel Nadler

Founder and CEO, OpenEvidence

Industry
Clinical AI & Documentation
Based in
United States
Company funding
$210M raised
Region
North America

Economist and machine learning researcher who previously founded a financial AI company.

Built a clinical evidence assistant used by hundreds of thousands of clinicians.

Daniel Nadler is a Canadian born entrepreneur who earned a PhD from Harvard University and founded the artificial intelligence company Kensho, later acquired by S&P Global. In 2021 he founded OpenEvidence, an AI platform that helps physicians find and interpret medical research.

The journey

How Daniel Nadler got here, step by step.

  1. 2000s

    Doctoral studies at Harvard

    Nadler earned a PhD from Harvard University, building a background in economics and computation.

  2. 2013

    Founded Kensho Technologies

    He founded Kensho, an analytics company that applied artificial intelligence to financial markets.

  3. 2018

    Kensho acquired by S&P Global

    S&P Global acquired Kensho, one of the largest artificial intelligence acquisitions in finance at the time.

  4. 2021

    Founded OpenEvidence

    Nadler founded OpenEvidence, launching through the Mayo Clinic Platform Accelerate programme to help physicians.

  5. 2021 to 2024

    Signed medical journal partnerships

    OpenEvidence agreed content partnerships with major medical journals and grew rapidly among practising doctors.

  6. 2025

    Raised a major funding round

    OpenEvidence raised significant funding that valued the company in the billions of dollars.

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