OpenAI Executive Fidji Simo Steps Down Due to Chronic Illness
Fidji Simo, OpenAI's CEO of Applications and product chief, is stepping down from her full-time role to focus on recovery from Postural Orthostatic Tachycardia Syndrome (POTS), a chronic condition she has had since 2019. After three months of medical leave, she will transition to a part-time advisor. Her departure adds to recent high-profile leadership changes at OpenAI, which has also filed for an IPO. CEO Sam Altman expressed gratitude for her contributions.
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OpenAI Applications Chief Fidji Simo Steps Down From Full-Time Role Over Chronic Illness Recovery
Fidji Simo, OpenAI's president of applications, has stepped down from her full-time role, transitioning to a part-time advisory position. Simo announced the decision on X, stating that her chronic illness recovery took longer than expected and that she 'failed to make this decision many times before.' She had taken medical leave three months ago after a severe exacerbation of a condition she has lived with for seven years. Simo previously declined a full year of medical leave offered by Meta CEO Mark Zuckerberg. Her departure follows a series of senior exits at OpenAI this year, including the head of private equity and a sales leader. Simo, formerly CEO of Instacart, was appointed to the newly created role in May 2025. She expressed gratitude to OpenAI CEO Sam Altman and President Greg Brockman, and remains committed to disease research through OpenAI and other ventures.
Yahoo FinanceOpenAI Applications Chief Fidji Simo Steps Down From Full-Time Role Over Chronic Illness Recovery
Fidji Simo, OpenAI's president of applications, has stepped down from her full-time role, transitioning to a part-time advisory position. Simo announced the decision on X, stating that her chronic illness recovery took longer than expected and that she had failed to make this decision many times before. She had taken medical leave three months ago after a severe exacerbation of a chronic illness she has lived with for seven years. Simo, formerly CEO of Instacart, was appointed to the newly created role in May 2025. Her departure follows a leadership shuffle at OpenAI, including Greg Brockman overseeing product in her absence and Brad Lightcap transitioning to special projects. Simo's move is part of a string of senior departures at OpenAI this year. She thanked CEO Sam Altman and President Brockman for their support and remains committed to working toward disease cures through OpenAI and her involvement with Chronicle BioAI and CODA Research.
Yahoo FinanceOpenAI loses top lieutenant Fidji Simo amid IPO delays and rising competition
OpenAI faces another major executive departure as Fidji Simo, the company's number-two executive and CEO Sam Altman's top lieutenant, steps down due to a worsening chronic neuroimmune condition (Postural Orthostatic Tachycardia Syndrome). Her exit follows the departure of three other C-suite executives in April 2026. The company has also delayed its initial public offering to 2027, citing dwindling market enthusiasm and increased competition from rival Anthropic, whose Claude AI assistant has surpassed OpenAI's valuation for the first time. In a positive development, Bank of America extended a $520 million credit line to OpenAI ahead of its planned IPO, eyeing advisory roles. OpenAI is targeting a valuation of over $1 trillion, which would place it among the world's most valuable companies.
Yahoo FinanceOpenAI Power Consolidates Under Co-Founder Greg Brockman After Fidji Simo's Departure
OpenAI president and co-founder Greg Brockman has officially taken over the company's most important product and business responsibilities following the departure of Fidji Simo, who stepped down due to a chronic medical condition (POTS). Simo, a former Meta executive and Instacart CEO, had served as product and business chief for about a year before taking medical leave in April. She will transition to a part-time advisor role. Brockman, who already assumed product duties during her absence, will now oversee ChatGPT, go-to-market teams, enterprise operations, and compute initiatives. Reporting directly to CEO Sam Altman, Brockman faces pressure to generate revenue and justify OpenAI's $852 billion valuation ahead of a prospective IPO. The company faces stiff competition from Anthropic, Google, and Elon Musk's SpaceX, as well as cheaper open-weight models from China. ChatGPT's market share fell below 50% for the first time in March. OpenAI has confidentially filed for an IPO but may delay its debut until next year.
US Top News and AnalysisOpenAI Power Consolidates Under Co-Founder Greg Brockman After Fidji Simo's Departure
OpenAI president and co-founder Greg Brockman has officially taken over the company's most important product and business responsibilities following the departure of Fidji Simo, who stepped down due to a chronic medical condition (POTS). Simo, a former Meta executive and Instacart CEO, had served as product and business chief for about a year and will transition to a part-time advisor role. Brockman, who already assumed product duties during Simo's medical leave in April, will now oversee ChatGPT, go-to-market teams, enterprise operations, and compute initiatives. Reporting directly to CEO Sam Altman, Brockman faces pressure to generate revenue and justify OpenAI's $852 billion valuation ahead of a prospective IPO. The company faces stiff competition from Anthropic, Google, and Elon Musk's xAI, as well as cheaper open-weight models from China. OpenAI has confidentially filed for an IPO but may delay its debut until next year. The company does not plan to hire a replacement for Simo.
US Top News and AnalysisOpenAI exec Fidji Simo steps down due to chronic illness, will become advisor
Fidji Simo, OpenAI's product and business chief, announced she is stepping down from her executive role to focus on recovery from a severe exacerbation of Postural Orthostatic Tachycardia Syndrome (POTS), a chronic illness she was diagnosed with in 2019. Simo, who joined OpenAI in May 2025 after serving as CEO of Instacart, took medical leave in April 2026. She will transition to a part-time advisor role at the company. In a post on X, Simo reflected on her past reluctance to prioritize health, noting she declined a year-long medical leave offer from Facebook years earlier. OpenAI CEO Sam Altman expressed gratitude for her contributions. The announcement comes as OpenAI has confidentially filed for an IPO, though no timeline for a public debut has been set.
US Top News and AnalysisOpenAI Executive Fidji Simo Steps Down to Focus on Health Recovery
Fidji Simo, a top Silicon Valley executive and OpenAI's CEO of Applications, announced she is leaving her full-time role to become a part-time advisor, prioritizing recovery from postural orthostatic tachycardia syndrome (POTS), a chronic neuroimmune condition she has had since 2019. Simo, who joined OpenAI in mid-2025, said three months of medical leave revealed her recovery would be longer and more complex than expected. She acknowledged she had repeatedly ignored advice to slow down over seven years of illness. Her departure adds to a string of senior leadership changes at OpenAI, which has filed for a high-stakes IPO. Prior to OpenAI, Simo led Instacart to profitability and spent a decade at Meta championing its pivot to video. OpenAI CEO Sam Altman expressed sadness and gratitude for her contributions.
The Hindu: Latest News today from India and the World, Breaking news, Top Headlines and Trending News Videos.OpenAI's AGI Deployment Chief Fidji Simo to Step Down After Medical Leave
Fidji Simo, OpenAI's CEO of AGI deployment, announced she will step down from her full-time role and transition to a part-time advisory position after an extended medical leave for a chronic neuroimmune condition (POTS). Simo, formerly CEO of Instacart and head of Facebook app at Meta, joined OpenAI's board in March 2024. Her departure comes as OpenAI prepares for an IPO and focuses on integrating capabilities into a super-app, which was unveiled on Thursday. OpenAI President Greg Brockman, CFO Sarah Friar, and Chief Strategy Officer Jason Kwon will split her product and business responsibilities. CEO Sam Altman expressed sadness and gratitude for Simo's contributions.
Yahoo FinanceFidji Simo Steps Down as OpenAI's No. 2 Executive
Fidji Simo, OpenAI's second-in-command and CEO of Applications, is stepping down from her full-time role due to a prolonged medical leave for a neuroimmune condition. She will transition to a part-time advisory role. Simo joined OpenAI in May 2025 after serving as Instacart's CEO, and was widely seen as a potential future leader for the company as it eyes an IPO. Her departure creates a leadership vacuum for CEO Sam Altman. The news comes on a busy day for OpenAI, which also launched its GPT-5.6 family of models (Sol, Terra, Luna) and a new agent called ChatGPT Work. Simo's exit follows other recent executive departures, including CMO Kate Rouch and CPO Kevin Weil, leaving OpenAI's executive ranks thin for a company valued at $852 billion.
Yahoo FinanceFidji Simo Steps Down from Leading OpenAI's AGI Work Due to Illness
Fidji Simo, a top executive at OpenAI who led the company's artificial general intelligence (AGI) efforts, is stepping down from her role due to a chronic illness. She will transition to an advisory position. Her departure marks the latest in a series of high-profile leadership changes at OpenAI, which has seen significant executive turnover in recent months. Simo's role was considered critical to OpenAI's mission of developing AGI safely. The news was reported by multiple major outlets including The Verge, The New York Times, CNBC, WSJ, and Bloomberg.
Top stories - Google NewsOpenAI's AGI Deployment Chief Fidji Simo to Step Down After Medical Leave
Fidji Simo, OpenAI's CEO of AGI deployment, announced she will step down from her full-time role and transition to a part-time advisory position after a three-month medical leave for a severe exacerbation of postural orthostatic tachycardia syndrome (POTS), a chronic neuroimmune condition. Simo, formerly CEO of Instacart and head of Facebook app at Meta, joined OpenAI's board in March 2024 after Sam Altman's return. OpenAI CEO Sam Altman expressed gratitude for her contributions. The departure comes as OpenAI prepares for an IPO and focuses on integrating capabilities into a single super-app, which was unveiled on Thursday. According to an internal memo, Simo's product and business responsibilities will be divided among President Greg Brockman, CFO Sarah Friar, and Chief Strategy Officer Jason Kwon. Simo stated her focus is now on recovery but reaffirmed her belief in technology's potential.
Yahoo FinanceTop OpenAI Executive Fidji Simo Steps Down Due to Chronic Illness
Fidji Simo, OpenAI's CEO of Applications and a top executive, announced she is stepping down from her full-time role and transitioning to a part-time advisor position. Simo, who has been on medical leave for three months, revealed that her long-running chronic illness, which has no cure, has worsened, requiring her to focus fully on recovery. She thanked OpenAI's board, CEO Sam Altman, and President Greg Brockman for their support. Altman expressed sadness and gratitude for her contributions and friendship, wishing her a speedy recovery. Simo noted the jarring contrast of building the future of AI while navigating a disabling disease. The Wall Street Journal first reported her departure.
All Content from Business InsiderOpenAI exec Fidji Simo steps down, transitions to part-time advisor due to chronic illness
Fidji Simo, OpenAI's product and business chief, announced she is stepping down from her role to focus on recovery from a severe exacerbation of Postural Orthostatic Tachycardia Syndrome (POTS), a chronic illness she was diagnosed with in 2019. Simo, who joined OpenAI in May 2025 after serving as CEO of Instacart, took medical leave in April 2025, with OpenAI President Greg Brockman assuming her product responsibilities. In a post on X, Simo reflected on her past reluctance to prioritize health, noting she declined a year-long medical leave offer from Facebook while working there. OpenAI CEO Sam Altman expressed gratitude for her contributions and friendship. Simo will transition to a part-time advisory role.
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