Twitter’s chief of trust and safety, Ella Irwin, told Reuters on Thursday that she had resigned from the social media firm, which has been criticized for insufficient defenses against harmful content since billionaire Elon Musk acquired it in October.
After Yoel Roth resigned in November, Irwin became the trust and safety team chief. Content moderator.
Twitter replied with a feces emoji. Musk and Irwin declined to comment.
Irwin’s exit comes as the platform struggles to retain sponsors scared of displaying next to undesirable content.
Musk named Linda Yaccarino, former NBCUniversal advertising executive, Twitter’s CEO earlier this month.
Fortune reported that Irwin’s internal Slack account was disabled.
Twitter has laid off thousands of staff since Musk’s takeover, including those who worked to block harmful and unlawful content, preserve election integrity, and uncover correct information.
Musk has promoted Community Notes, which lets people contribute context to messages to counteract misinformation on Twitter.
Regulators are also scrutinizing the company’s moderation. Twitter withdrew from a voluntary EU disinformation deal but pledged to comply with EU internet rules.
Last Monday, EU industry official Thierry Breton cautioned Twitter that abandoning the voluntary agreement would not exempt it from EU law.