OpenAI COO Brad Lightcap departs to launch new venture
Original: Brad Lightcap, OpenAI’s longtime COO, is leaving to ‘start something new’
Why This Matters
Multiple senior departures signal significant leadership transition at OpenAI ahead of its landmark IPO.
OpenAI's longtime COO Brad Lightcap announced his departure from the company on August 11, 2026, stating he plans to "start something new." He joined OpenAI in 2018, served as CFO for four years, then as COO from 2022 until earlier in 2026.
Brad Lightcap, one of OpenAI's longest-serving executives, announced his departure from the company in an internal message shared publicly on Tuesday, August 11, 2026. Lightcap joined OpenAI in 2018 and spent four years as CFO before ascending to COO in 2022. Earlier this year, amid an executive restructuring, he transitioned to leading special projects. In his farewell message, Lightcap credited his tenure with building "the first versions of most of our operations and business teams – from Finance to Legal, People, CorpSec, GTM/Gov, Partnerships, and more." He hinted at a future venture, stating: "I believe there are a few important new things the world will need to get right as we enter this next period," adding he would share more details soon. His exit is part of a broader wave of senior departures at OpenAI as the company prepares for a highly anticipated IPO. In July, No. 2 executive Fidji Simo, who led AGI development, also stepped down. Other recent departures include Bill Peebles, formerly head of video generator Sora, and Kevin Weil, VP of the Science vertical. Prior to OpenAI, Lightcap worked alongside CEO Sam Altman at Y Combinator.