OpenAI Chief Operating Officer Brad Lightcap attends the Cannes Lions International Festival of Creativity conference on June 20, 2023 in Cannes, France.
Eric Gaillard | Reuters
Longtime OpenAI executive Brad Lightcap announced his resignation on Tuesday, the latest in a series of recent leadership shakeups at the artificial intelligence company.
Mr. Lightcap joined OpenAI in 2018 and held a number of senior leadership roles during his tenure, including a four-year term as the company’s executive director. He served in that role until April, after which he moved to a new role focused on “special projects.” The company announced at the time that Dennis Dresser, OpenAI’s chief revenue officer, would take over most of Lightcap’s responsibilities.
In a post on X on Tuesday, Lightcap said he was moving away from OpenAI to “start something new.”
“I feel incredibly fortunate to have spent most of the past 10 years pursuing our mission and building this company,” Lightcap wrote. “As I sit here today, I feel that mission success is at hand. It has been the honor of my life to help get us to this point and to accomplish it alongside you.”
Lightcap’s departure marks another significant loss for OpenAI as it continues to justify its $852 billion valuation and prepares for a monster initial public offering. Fiji Simo, OpenAI’s former head of product and business, announced last month that he was stepping down from his role at the company to focus on recovering from a “severe exacerbation of a chronic illness.”
Three other OpenAI executives also announced their retirements in April. They are Bill Peebles, who led OpenAI’s defunct short-form video app Sora, Kevin Weil, vice president of OpenAI for Science, and Srinivas Narayanan, head of technology for B2B Applications.
Lightcap has been one of OpenAI CEO Sam Altman’s closest friends since his early days. The two worked together at Y Combinator, the startup incubator that Altman led before OpenAI.
“I remember very fondly the first conversations we had about openai. At the time, it sounded completely crazy, but you were one of the few people who got it,” Altman wrote in a post to X on Tuesday in response to Lightcap’s announcement. “Since then, you have taken on every role and challenge that openai has required. We would not be where we are today without you.”
Lightcap grew its OpenAI go-to-market team from approximately 50 people to more than 700 people over 18 months, ending in mid-2025. That team included salespeople and staff focused on customer success, developer relationships, and strategic partnerships.
That push began in 2023 with the launch of GPT-4 and ChatGPT Enterprise, as OpenAI sought to take its consumer success to the corporate world to take on rival Anthropic. About a year ago, Lightcap said in an interview with CNBC that customers started coming from all directions.
“The most rewarding part of this journey for me has been watching each team grow under their talented leaders,” Lightcap wrote Tuesday. “We are excited to begin the next decade in the hands of this incredibly talented team.”
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