Two years after her appointment as CEO of Elon Musk’s X, Linda Yaccarino is stepping down.
Her successor has not been introduced.
Yaccarino, who was amongst Musk’s first main appointments at X, introduced in a publish on X Wednesday morning.
“When @elonmusk and I first spoke of his imaginative and prescient for X, I knew it could be the chance of a lifetime to hold out the extraordinary mission of this firm,” she wrote. “I’m immensely grateful to him for entrusting me with the duty of defending free speech, turning the corporate round, and remodeling X into the The whole lot App.”
She added that she is “extremely proud” of the work the X workforce has accomplished, pointing to efforts to enhance security on X and “restore advertiser confidence.”
After two unbelievable years, I’ve determined to step down as CEO of 𝕏.
When @elonmusk and I first spoke of his imaginative and prescient for X, I knew it could be the chance of a lifetime to hold out the extraordinary mission of this firm. I’m immensely grateful to him for entrusting me…
— Linda Yaccarino (@lindayaX) July 9, 2025
Earlier than becoming a member of X in June of 2023, she spearheaded the promoting enterprise at NBCUniversal for practically 12 years. She joined X as a part of the platform’s efforts to revive its floundering promoting enterprise, which noticed revenues sink in response to platform modifications and loosened content material moderation practices below Musk’s management.
In her two years at X, Yaccarino spearheaded a variety of efforts to maneuver the needle on X’s adverts and partnerships enterprise. She helped deliver main manufacturers again to the platform, together with Disney, Comcast, IBM, and Apple, inked partnerships with advert verification corporations IAS and DoubleVerify, and helped usher in main content material offers with the likes of the NBA and WWE.
In the meantime, below Yaccarino’s watch, X battled with advertisers, launching a high-profile antitrust lawsuit in opposition to promoting group the World Federation of Advertisers and a few of its members for allegedly conspiring to illegally boycott the platform. The lawsuit spooked the WFA into shuttering its cross-industry initiative World Alliance for Accountable Media.
Nonetheless, final month at Cannes Lions—the advert {industry}’s greatest annual occasion—Yaccarino was all smiles as she promoted X and its promoting and content material enterprise. The exec appeared onstage with tennis legend Serena Williams to advertise the star’s forthcoming podcast, which will likely be hosted on X.
X is going through rising competitors from different platforms. Meta’s Threads, for instance, is proving a formidable risk. New information from Similarweb signifies that Threads has 15.1 million each day energetic customers, in contrast with X’s 132 million.
X didn’t reply to ADWEEK’s request for remark by press time.