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EXCLUSIVE
Tech News

X's former head of trust and safety Ella Irwin joins Stability AI

Irwin resigned from X in June after Elon Musk publicly criticized moderation actions around misgendering that had taken place under her leadership.
Ella Irwin against a blue gradient
Ella Irwin joined Stability AI in the second half of December.NBC News; Courtesy Ella Irwin

Ella Irwin, Elon Musk’s former head of trust and safety at X, has found a new post at Stability AI, the company that’s largely taken credit for the development of the text-to-image generation model called Stable Diffusion.

Irwin joined the company in the second half of December as its senior vice president of integrity, NBC News has learned. 

Irwin led X's trust and safety work during what appeared to be some of the company’s most tumultuous and controversial periods. At Stability AI, she will oversee Stability AI’s strategy and implementation of safeguarding around issues like child safety, intellectual property and disinformation. 

Her hiring comes at a major inflection point for AI and the company.

As the production and use of AI products has boomed in the last year, considerations about how to safely use and develop AI products have become a top topic of conversation and concern. In December, Stanford researchers reported that they’d identified over 1,000 child exploitation images in a widely used image database used to train AI models, including Stable Diffusion 1.5. And heading into the 2024 election, the potential for disinformation stemming from AI technology has weighed heavily across the U.S.

Emad Mostaque, Stability AI’s founder and CEO, said the company wants “to spread good practices and defend society and democracy against misuse of this technology.”

In an interview with NBC News, Irwin said that when she first joined Stability AI she was impressed by the integrity work that was already occurring, like developing filters around datasets. She added that she was also excited by initiatives at the company around disinformation, including research and development into identifying and labeling synthetic content. 

“We’re in the early stages of a big technological revolution,” she said. “And so it’s just awesome to be a part of that.”

In October, Irwin told NBC News that working at X was the hardest experience of her career. She resigned after Musk criticized moderation actions taken under her leadership pertaining to misgendering. An anti-trans film was moderated on the platform, which Musk reversed.

Irwin said she left the company when it became clear to her that there was “there was no longer alignment” between the company and her “nonnegotiable principles.”