Sundar Dorai Raj

Sundar Dorai-Raj

Adjunct Professor

Part-Time Faculty
101 Howard St.


Sundar Dorai-Raj has been a data scientist at Google since 2009. He has spent most of his career working on Ads products, from YouTube Ads, where he helped launch YouTube's first skippable ad format, to Brand Lift and Google Analytics. He currently manages a team of data scientists who focus on privacy-centric analytics, quantifying the effectiveness of YouTube advertising, and Bayesian methods for online experiments. His expertise includes A/B testing, statistical modeling, machine learning, and data visualization.


  • Virginia Tech, PhD in Statistics, 2001
  • Virginia Tech, MS in Statistics, 1999
  • University of Alabama, MA in Applied Math, 1997
  • University of Alabama, BS in Applied Math, 1995

Prior Experience

  • Data Scientist, Google