Linda Yaccarino resigned Wednesday as CEO of X, the social media platform formerly known as Twitter, after two years at the helm of the Elon Musk-owned company.
In a statement posted on the platform, she said she had decided to step down following what she described as "two incredible years" leading the company through a major transformation.
No reason was given for her exit, but the resignation came as Musk's artificial intelligence chatbot Grok was under fire for anti-Semitic comments that praised Adolf Hitler and insulted Islam in separate posts on the X platform.
After two incredible years, I’ve decided to step down as CEO of 𝕏.
— Linda Yaccarino (@lindayaX) July 9, 2025
When @elonmusk and I first spoke of his vision for X, I knew it would be the opportunity of a lifetime to carry out the extraordinary mission of this company. I’m immensely grateful to him for entrusting me…
In a short reply to her post on X, Musk wrote: "Thank you for your contributions."
Thank you for your contributions
— Elon Musk (@elonmusk) July 9, 2025
Yaccarino -- a former NBCUniversal advertising executive -- took over as X's CEO in June 2023, replacing Musk who had been serving in the role since his $44 billion acquisition of Twitter in October 2022.
Her appointment came as Musk sought to focus on product development while bringing in an experienced media manager to restore advertiser confidence.
Read More: Musk’s xAI deletes Grok posts after hate speech backlash
The company has faced significant challenges since Musk's acquisition, including an exodus of advertisers and concerns over content moderation policies.
Critics have cited a rise in violent content, racism, antisemitism and misinformation on X.
Yaccarino's background in advertising was seen as crucial to rebuilding business relationships.
In her statement, Yaccarino praised the "historic business turn around" achieved by the X team and suggested the platform was entering "a new chapter" with xAI, Musk's artificial intelligence company.
xAI in March acquired X in an all-stock deal that valued the social media platform at $33 billion, making it a subsidiary of Musk's AI company.
"X is truly a digital town square for all voices and the world's most powerful culture signal," she wrote, adding that she would be "cheering you all on as you continue to change the world."
Analyst Jasmine Enberg from Emarketer said that being CEO "was always going to be a tough job, and Yaccarino lasted in the role longer than many expected."
Also Read: Elon Musk’s Grok restricted after calling itself 'MechaHitler' and posting anti-Semitic content on X
"Faced with a mercurial owner who never fully stepped away from the helm and continued to use the platform as his personal megaphone, Yaccarino had to try to run the business while also regularly putting out fires," she told AFP.
Yaccarino's sudden exit "suggests a possible tipping point" in their relationship, even if the reasons are for now unknown.
During her tenure, X introduced new features including Community Notes, a crowd-sourced fact-checking system, and announced plans for "X Money," a financial services feature as part of Musk's vision to transform the platform into an "Everything App."
It also coincided with Musk's endorsement and financial backing of Donald Trump, which saw the South African-born multi-billionaire catapulted into the White House as a close advisor to the president, before a recent falling out.
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