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				MENLO PARK, Calif. (AP) — The head of Meta's artificial 
				intelligence research division said she plans to step down, 
				vacating a high-profile position at a time of intense 
				competition in the development of AI technology.
 Joelle Pineau, Meta's vice president for AI research, said 
				Tuesday she is leaving at the end of May after eight years with 
				the company.
 
 "Today, as the world undergoes significant change, as the race 
				for AI accelerates, and as Meta prepares for its next chapter, 
				it is time to create space for others to pursue the work," she 
				wrote in a social media post.
 
 Meta — the parent company of Facebook and Instagram — didn't 
				immediately respond to an emailed request for comment about the 
				move. Pineau didn't announce a replacement.
 
 Based in Montreal, where she is also a computer science 
				professor at McGill University, Pineau has been the face of 
				Meta's “open-source” approach to building AI systems, such as 
				its flagship large language model called Llama, in which core 
				components are publicly released for others to use or modify.
 
 Her announcement comes ahead of the company's debut of a new 
				LlamaCon AI conference on April 29.
 
 In 2023, she began directing Meta's AI research division, 
				formerly known as Facebook AI Research, which had been founded a 
				decade earlier by a group that included pioneering AI researcher 
				Yann LeCun. LeCun stepped down as the group's director in 2018 
				but remains Meta's chief AI scientist.
 
			
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