Yaccarino announced her departure on X, saying that she is “immensely grateful” to Elon Musk for taking her on in 2023.

Now, the best is yet to come as X enters a new chapter with @xai,” she said in the post. “I’ll be cheering you all on as you continue to change the world.” Musk replied to Yaccarino’s post with a terse response: “Thank you for your contributions.

Linda Yaccarino, the former NBCUniversal executive who agreed to run Elon Musk’s X platform, is stepping down after about two years on the job, announcing her departure from the CEO role after a disastrous day for the platform’s artificial intelligence bot.