Rebecca S. Portnoff

Vice President, Data Science & AI, Thorn
Joined
January 2026

Names

Rebecca S. Portnoff (Preferred)
, 
Rebecca Portnoff
, 
Rebecca S. Pottenger
, 
Rebecca Pottenger

Emails

****@gmail.com (Confirmed)
, 
****@wearethorn.org (Confirmed)
, 
****@berkeley.edu
, 
****@eecs.berkeley.edu
, 
****@princeton.edu
, 
****@cs.berkeley.edu
, 
****@cs.berkeley.edu

Personal Links

Career & Education History

Vice President, Data Science & AI
Thorn (thorn.org)
2017 – Present
PhD student
Computer Science, UC Berkeley, University of California, Berkeley (cs.berkeley.edu)
2012 – 2017
Undergrad student
Computer Science, Princeton University (princeton.edu)
2007 – 2012

Advisors, Relations & Conflicts

Coauthor
Shayne Longpre
2025 – 2025
Coauthor
David Thiel
2023 – 2023
PhD Advisor
David Wagner
2012 – 2017

Expertise

generative AI
Present
Child safety
Present
Deep learning
Present

Publications

Co-Authors