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PL
Career profile

Peter Leong

Principal Applied Scientist

Redmond, Washington, United States

Career path.

  1. Microsoft

    Principal Applied Scientist (Security AI)

    Feb 2026 - Present
  2. Microsoft

    Principal Applied Science Manager (Azure Anti-Fraud Team)

    May 2022 - Feb 2026
  3. Microsoft

    Principal Data Scientist (Azure Anti-Fraud Team)

    Mar 2016 - May 2022
  4. Microsoft

    Data Scientist (Windows Core Data Science Team)

    Feb 2014 - Mar 2016
  5. Microsoft

    Software Development Engineer (Xbox Live)

    Dec 2012 - Feb 2014
  6. Microsoft

    Software Development Engineer (Excel)

    Oct 2008 - Nov 2012
  7. Microsoft

    Software Development Engineer Intern (MSDN)

    Sep 2006 - Dec 2006
  8. California Institute of Technology

    Graduate Student

    Sep 2002 - Aug 2008