Greg Brockman quietly takes the reins at OpenAI

Greg Brockman now oversees the day-to-day running of OpenAI, with direct control over the consumer and enterprise product teams behind ChatGPT, Codex, and the company's infrastructure. The shift has happened without a formal announcement, surfacing instead through the steady exit of executives around him.

More than a dozen senior leaders have left OpenAI since the start of the year. The list includes the chief operating officer, the chief revenue officer, and the chief marketing officer, an unusually broad clearing of the C-suite for a company of OpenAI's size and visibility.

The most recent departure is Chris Malone, who had led OpenAI's data center efforts since joining in March 2025. His exit prompted a reorganization of the infrastructure team, which now sits under vice president Sachin Katti and reports directly to Brockman.

That reporting line is the clearest evidence of how much operational authority has consolidated around the cofounder and president. Brockman's position was not always this central. He was stripped of most management duties in 2019 when Sam Altman took over as CEO, and he stepped away for a brief sabbatical in 2024 before returning.

Growth continues despite the churn

The turnover has not slowed OpenAI's product momentum. Its desktop app, aimed at agentic coding and broader workplace tasks, added roughly 15 million subscribers over the past two months alone.

The company's newest public model, GPT-5.6, remains its flagship release. Meanwhile, OpenAI has confidentially filed with the SEC for an initial public offering, targeting a 2027 listing, a process that typically invites heightened scrutiny of management structure and continuity.

None of the available reporting suggests the executive departures and the IPO filing are directly linked, but the timing places Brockman's expanded authority under a brighter spotlight. A company preparing to go public generally wants a settled leadership picture, and OpenAI is instead working through one of the most significant reshuffles in its history while its most senior product surfaces keep growing.

Whether this concentration of power under Brockman is temporary or a lasting feature of OpenAI's structure is not yet clear from what has been disclosed. What is clear is that the company heading toward a public listing looks organizationally different today than it did at the start of the year.