Tim Cook said Aug. 31, 2026, was his last day as CEO and that his title would change the following day in a post on X thanking the Apple community for being a constant source of inspiration. @tim_cook described the moment as the start of his “next chapter,” but did not specify his new title or responsibilities.

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A personal message about a formal change

The post pairs a clear change in title with a message of continuity. Cook said his love for the Apple community would not change and expressed “endless” gratitude, framing the announcement around the people and community he credited with inspiring him.

The announcement therefore provides a limited but clear update: Cook is moving out of the CEO title, while signaling that he views the transition as the beginning of another phase. Without details about the role that follows, the post is best read as a personal transition note rather than a full account of the next leadership arrangement.