Headshot of Yoel Roth


I'm Yoel Roth, PhD.

I care about building technology that's resilient to threats and helps people and communities connect safely and authentically.

I’m currently a Knight Visiting Scholar at the University of Pennsylvania, a Technology Policy Fellow at UC Berkeley, and a Nonresident Scholar at the Carnegie Endowment for International Peace. My research and writing focus on trustworthy governance approaches for social media, AI, and other emerging technologies.

At Twitter, I was the Head of Trust & Safety, leading Twitter’s content moderation, integrity, and platform security efforts — including policy development, threat investigation, product, design, research, and operations.

Before joining Twitter, I received my PhD from the Annenberg School for Communication at the University of Pennsylvania. My research and teaching examined the technical, policy, business, and cultural dynamics of social networking and dating apps at the dawn of the “App Store” age.

Need to reach me?

For press and speaking engagements, reach out to speaking (at) yoyoel (dot) com.

I'm open to consulting and advisory roles for mission-oriented technology companies. Please reach out if you're building or scaling a trust and safety or integrity function and could use advice or guidance. I love helping founders, T&S leaders, and organizations get ahead of complex safety and security issues. You can contact me by email at yoel (at) yoyoel (dot) com.

Writing and research

Press and speaking