OpenAI Puts Co-Founder Greg Brockman In Charge Of Key Projects Ahead Of Potential IPO

Brockman will oversee major product and commercial operations after Fidji Simo stepped down from her role.
The OpenAI logo is displayed on a smartphone screen with a company logo in the background. (Photo by Samuel Boivin/NurPhoto via Getty Images)
The OpenAI logo is displayed on a smartphone screen with a company logo in the background. (Photo by Samuel Boivin/NurPhoto via Getty Images)
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Aveek Bhowmik·Stocktwits
Published Jul 10, 2026   |   5:56 PM EDT
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  • Fidji Simo stepped down as OpenAI’s product and business chief due to chronic illness and will transition to an advisory role.
  • Brockman will oversee ChatGPT, enterprise teams, go-to-market operations and compute initiatives.
  • The leadership shift comes as OpenAI reportedly prepares for a potential public listing after reaching an $852 billion valuation.

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OpenAI President Greg Brockman will continue overseeing the company’s products and major business initiatives after Fidji Simo stepped down from her role due to chronic illness.

Simo, who served as OpenAI’s product and business chief for about a year, took a medical leave in April, and announced on Thursday that she would move into a part-time advisory role.

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Brockman, who co-founded OpenAI with CEO Sam Altman and others in 2015, assumed product responsibilities during Simo’s absence and will continue leading those efforts, reported CNBC.

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Brockman To Lead ChatGPT, Enterprise And Compute Initiatives

Under his expanded responsibilities, Brockman will oversee OpenAI’s ChatGPT product business, go-to-market teams, enterprise operations and compute initiatives.

“I am deeply grateful for all Fidji has done for OpenAI and to advance our mission, and for the opportunity to have worked alongside her for the past few years,” Brockman wrote in a post on X on Friday.

Reporting directly to CEO Sam Altman, Brockman now faces the challenge of expanding revenue and supporting OpenAI’s valuation as the company prepares for a potential IPO.

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OpenAI confidentially filed its prospectus with regulators in June, though the company has not revealed when it plans to go public.

Altman said the company was not focused on the timing of its IPO, dismissing speculation that it was rushing toward public markets. Altman said OpenAI’s priority was developing leading AI technology and growing its business.

OpenAI Faces Growing Competition Ahead Of IPO

OpenAI is preparing for a potential public debut as competition in the artificial intelligence market continues to increase. Rivals including Anthropic, Google and Elon Musk’s SpaceX, are putting pressure on OpenAI’s market position.

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Anthropic has gained ground on OpenAI based on recent financial metrics. The company said in April that its annualised revenue run rate had tripled to $30 billion, surpassing OpenAI’s reported $24 billion. Anthropic’s valuation has also climbed to $1.08 trillion, exceeding OpenAI’s $864.6 billion private market valuation, according to Nasdaq Private Market data.

OpenAI And Anthropic Retail View

Retail sentiment on Stocktwits for OpenAI (OPEAZZX) was neutral,’ while for Anthropic (ANTHZZX), it was ‘bearish’ at the time of writing on Friday.

Also Read: ASTS Stock In Focus — AST SpaceMobile’s BlueBird 11 Reaches Cape Canaveral Ahead Of August Launch 

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