Photo 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 Technology Policy Fellow at UC Berkeley, and a Nonresident Scholar at the Carnegie Endowment for International Peace. My research is focused on how to address collective security challenges on distributed and decentralized social media platforms. I’m also working on a book project about the field of trust and safety, and how technology companies navigate complex policy and governance challenges.

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 taking on new consulting and advisory roles at this time; please reach out if you're building or scaling a trust and safety 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