CISO @ Meta, overseeing our work on safety & security
Aug 27, 2025 • 4 tweets • 1 min read
Sharing Meta’s Q2 2025 transparency reports and other integrity updates. (1/4)transparency.meta.com/integrity-repo…
We’ve been focused on reducing enforcement mistakes while combatting high severity areas, such as illicit drugs. Since we began our efforts to reduce over-enforcement, we’ve cut enforcement mistakes in the US by more than 75% on a weekly basis. (2/4)
Oct 11, 2022 • 6 tweets • 2 min read
I wanted to set the record straight about two stories run this week by @thewire_in with untrue claims about Meta’s content moderation operations and processes. tl;dr these stories are fabrications. (1/6)
The stories are simply incorrect about the cross-check program, which was built to prevent potential over-enforcement mistakes. It has nothing to do with the ability to report posts, as alleged in the article. (2/6)
Oct 4, 2021 • 4 tweets • 1 min read
I want to clear up a misconception about hate speech on Facebook. When combating hate speech on Facebook, bringing down its prevalence is the goal. (1/4)
That's why during every quarterly Community Standards Enforcement Report press call you hear me say: prevalence is the primary metric we should be held accountable to. It represents not what we caught but what we missed and people saw. (2/4)
May 27, 2020 • 8 tweets • 2 min read
I want to address claims raised in today’s @WSJ story, which cites old research to falsely suggest we aren’t invested in fighting polarization. The reality is we didn’t adopt some of the product suggestions cited because we pursued alternatives we believe are more effective. 1/8
What’s undeniable is we’ve made significant changes to the way FB works to improve the integrity of our products. We fundamentally changed News Feed ranking to favor content from friends and family over public content even if this meant people would use our products less. 2/8
Apr 16, 2020 • 5 tweets • 1 min read
New updates on our work to limit COVID-19 misinformation and connect people to reliable information: we’ve now directed over 2B people to health authority resources through our COVID-19 Info Center and pop-ups with >350M people clicking to learn more. about.fb.com/news/2020/04/c… 1/
Since the outbreak began, we’ve expanded our fact-checking partnerships to cover more than a dozen new countries. We’re now working with over 60 fact-checking organizations that review and rate content in more than 50 languages around the world. 2/