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

Yaccarino, an advertising industry veteran, held the post for two years after being brought aboard to help revitalize X's reputation among marketers, who had been fleeing the plat

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.