Just over a year after taking the role of head of product at X, Nikita Bier has announced he is stepping down from the position. The former founder of viral consumer apps, best known for products such as TBH, said in a post on the platform itself that it was "time to pass the torch," but that he will stay with the company as an advisor. The departure closes a short but intense period in which Bier was the public face of some of the most visible — and most controversial — changes made to the social network since Elon Musk bought it.
Bier joined X in mid-2025, in a move the company itself framed as a bet on someone with a proven track record of understanding what makes an app grow. Before X, he had sold the startup TBH to Facebook and later created Gas, another viral app aimed at teenagers. That "growth hacker" biography made him a natural choice to try to unlock X's growth at a time when the platform was facing user stagnation and advertising pressure. During his tenure, there were roughly 30 product launches, according to reports, ranging from interface overhauls to changes in how content is distributed.
Bier's announcement, however, does not come with a clear succession plan. X is going through a delicate moment: tensions with advertisers have not disappeared, and the platform continues trying to reposition itself as a "superapp" for payments and media. Losing the top product executive, even if he remains an advisor, raises the question of who will drive the innovation agenda from here. Musk has a history of centralizing product decisions, which makes the role of a product chief structurally difficult — he has ended up taking many decisions that would normally belong to Bier for himself.
There is a broader reading here, one that goes beyond X. The case illustrates the challenge of hiring experienced product executives for platforms where the owner is also the main creative decision-maker. Bier is known for autonomy and for testing hypotheses quickly; in a vertical structure like X's, part of that autonomy is inevitably limited. It is no surprise, therefore, that someone with his profile would prefer to return to an advisory role, with more freedom and less day-to-day operational responsibility.
What remains positive is the perception that X managed to attract high-level talent even amid the turbulent post-Musk environment. The challenge now is different: retaining and giving room to that talent. If Bier's exit is followed by other departures in product leadership, the narrative that the platform is a difficult place to build a career tends to strengthen. On the other hand, if Musk quickly announces an internal successor with a similar profile, the message is that the team has depth.
The question left hanging is: who will inherit the responsibility of keeping X competitive at a time when rivals such as Bluesky and even Threads keep gaining ground? And, more importantly, will the next head of product have real autonomy to decide, or will they keep executing the owner's vision? The answer will define whether this departure is an isolated episode or the beginning of greater turnover at the top of the company.
Sources: The Verge, TechCrunch, Business Insider
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