Greg Brockman quietly becomes OpenAI's de facto second-in-command as exec exodus continues

OpenAI has had a turbulent year, marked by legal battles, an unreleased model controversy, and a steady stream of executive departures. Yet amid the chaos, one figure has quietly consolidated power: Greg Brockman. While Sam Altman remains CEO, Brockman's role has expanded so significantly that he is now effectively the company's second-in-command, overseeing day-to-day operations and much of its commercial strategy.

Brockman, a co-founder and president, has always been a central figure at OpenAI, described as an "engineering workhorse" in the company's early days. But his title hasn't changed in years—his responsibilities have. Following a spate of departures in April, including the head of Sora and the VP of science, Brockman took charge of all product efforts when Fidji Simo, OpenAI's CEO of AGI deployment, went on medical leave. When Simo officially stepped down in July, Brockman's authority solidified, placing him in charge of both product strategy and the company's "scaling" arm, effectively giving him oversight of nearly every commercial operation.

The exec exodus has continued into August, with CRO Denise Dresser departing after just eight months and former COO Brad Lightcap leaving to start something new. A quote from Brockman—not Altman—accompanied Dresser's departure announcement, underscoring his growing prominence. Analysts see these moves as a signal that OpenAI is doubling down on revenue generation as it prepares for an IPO, aiming to differentiate itself from rival Anthropic, which leads in enterprise revenue.

Brockman's rise isn't just about filling gaps; it's a deliberate realignment. "When you have someone like Greg Brockman... he's more of a product scale and commercial sort of guy," said Harrison Rolfes, a senior research analyst at PitchBook. "He has a deep technical knowledge that essentially will collapse certain decisionmaking layers." This centralization could also lead to departures among lower-level employees who disagree with his approach, as Rolfes noted.

The consolidation of power under Brockman is partly a response to Altman's own efforts to tighten control after the board clash in 2023. Brockman has remained loyal to Altman, even resigning in solidarity when Altman was briefly ousted. Their alignment is now stronger than ever, and experts suggest this could help OpenAI trim costs ahead of its IPO. However, the rapid pace of executive exits is unusual and could raise questions for investors about the company's stability.

Brockman himself dismissed concerns on CNBC, emphasizing continuity: "I'm a constant, Sam is a constant." His focus remains on turning OpenAI's research into practical, profitable products—a mission that dates back to GPT-3's launch. With pressure to show results, analysts predict OpenAI may unveil a consumer product under Brockman's oversight by fall. Whether he can deliver remains the big question for public investors, who worry about the company's reliance on a small leadership core.