Brad Lightcap, OpenAI’s longtime COO, is leaving to ‘start something new’

Brad Lightcap, OpenAI's longtime chief operating officer, announced Tuesday he is leaving the company to "start something new," ending a tenure that began in 2018 and included four years as CFO before becoming COO in 2022. Lightcap, who most recently led special projects, said he will share more details soon, as OpenAI prepares for a significant IPO amid a broader executive shakeup that has seen other top leaders depart.

Brad Lightcap, one of the longest-serving executives at OpenAI, is leaving the powerful AI lab to “start something new.” In an internal message that Lightcap shared online Tuesday https://x.com/bradlightcap/status/2087211567012032862 , the outgoing executive told OpenAI staff that it was “bittersweet to share that I’ll be moving on from OpenAI to start something new.” Lightcap, who joined the company in 2018, spent four years as OpenAI’s chief financial officer. He then ascended to chief operating officer, where he served from 2022 until earlier this year when, amidst a shakeup of executive roles, he transitioned https://finance.yahoo.com/sectors/technology/articles/openai-executive-shuffle-includes-role-203534932.html?guccounter=1&guce referrer=aHR0cHM6Ly93d3cuZ29vZ2xlLmNvbS8&guce referrer sig=AQAAAAVUehSR92myvTRCtEIPGDU8mSHqS9j6XPT D5V0J3Vrpxy45TvYc4GlbRAL1F5OFaGHbi2gQxlfMErscs9IDnHalyUDYdomLMqKA3F4Kxeg5Yf360 Zyxle6aKaG7At8cSytvV9LnRALPDVT5XfRASyvJPXk5AblqawTnWtWr73 to lead special projects at the company. Prior to OpenAI, Lightcap also worked with https://www.reuters.com/technology/brad-lightcap-leaving-openai-2026-08-11/ CEO Sam Altman at venture capital firm Y Combinator. “I had the privilege of building the first versions of most of our operations and business teams – from Finance to Legal, People, CorpSec, GTM/Gov, Partnerships, and more,” Lightcap wrote in his message Tuesday. “Among the most rewarding parts of this journey for me has been watching each of these teams mature under brilliant leaders.” In his note, Lightcap also looked ahead and hinted at a future venture while giving scant details as to what it might be. “Over the last few months, I’ve been focused on the next horizon and what would stand in the way of mission success,” Lightcap said. “I believe there are a few important new things the world will need to get right as we enter this next period. I’ll have more to share soon, but I believe in OpenAI more than ever and am excited to help you all advance the mission from a different vantage point.” As OpenAI preps for an IPO of industrywide significance https://www.nytimes.com/2026/06/08/technology/openai-ipo.html , the company has been undergoing a shakeup of top-level executives. In July, the company’s No. 2 executive, Fidji Simo, who led AGI development, announced https://techcrunch.com/2026/07/09/fidji-simo-steps-down-from-openais-no-2-role/ she would be stepping down. Other executives from less central areas of the company — including Bill Peebles https://x.com/billpeeb/status/2045225014807670949?s=20 , who formerly headed the company’s now dead video generator Sora https://www.cnbc.com/2026/03/24/openai-shutters-short-form-video-app-sora-as-company-reels-in-costs.html , and Kevin Weil https://x.com/kevinweil/status/2045230426210648348?s=20 , the vice president of the company’s Science vertical — have also recently left the firm.