Lilian Weng, co-founder of Thinking Machines, introduced this week that she would step down from her function, citing well being points.
“I don’t really feel I’m in a position to proceed on the tempo a startup requires,” she wrote in an inner Slack message, which she additionally shared on X. “After fascinated by it for a number of months, I finally need to admit that the quantity of constant stress and workload have pushed me past what my well being can maintain bodily.”
On Wednesday, OpenAI advised TechCrunch that Weng can be rejoining the corporate, the place she beforehand served because the VP of AI Security Analysis.
In line with an organization spokesperson, Weng will lead a top-level workforce targeted on accelerating OpenAI’s inner analysis. This workforce will help cross-research work on recursive self-improvement, a course of that might enable an AI system to iterate on itself to develop into extra highly effective.
This transfer may very well be learn as contradictory to Weng’s statements in regards to the impression of working at a fast-paced startup on her well being — nonetheless, she possible gained’t face as a lot direct strain whereas working at an organization the place she isn’t a co-founder. Nonetheless, in a time of fierce competitors for expertise amongst AI labs, this high-profile departure is notable.
Pondering Machines co-founder and former OpenAI CTO Mira Murati replied to Weng’s X publish earlier this week and expressed support for her determination to concentrate on her well being. It’s unclear if Murati was conscious that Weng would rejoin OpenAI.
“We’ll miss you, it’s been fantastic constructing Thinky collectively. I’m glad that you just’re placing your well being first. Thanks for every part,” Murati wrote in response to Weng’s publish.

