Dr. Rebecca Portnoff has dedicated her career to defending children from sexual abuse. She is currently Vice President of Data Science at Thorn, owning strategy and vision for machine learning (ML)/AI across the organization. The ML/AI and algorithmic solutions her team builds have global impact: used across hundreds of LE agencies, hotlines and technology companies. She acts as an ecosystem leader to address emerging threats against children via novel research and cross-industry collaborations, bridging the gap between child safety experts and technologists.

Rebecca brings with her over a decade of experience in ML/AI, child safety, and trauma-informed leadership. She holds a bachelor’s degree in Computer Science from Princeton University, where she also minored in vocal jazz, and a Ph.D. in Computer Science from UC Berkeley.