She was one of the core organizers pushing back against the company's insufficient response to concerns about AI and its harms, and was a central organizer of the Google Walkout.

She also helped lead organizing at Google. Prior to NYU, she worked at Google for over a decade, where she led product and engineering teams, founded Google's Open Research Group, and co-founded M-Lab, a globally distributed network measurement platform that now provides the world's largest source of open data on internet performance. Her research and scholarly work helped shape global AI policy and shift the public narrative on AI to better recognize the surveillance business practices and concentration of industrial resources that modern AI requires. Before joining Signal as President, she was the Minderoo Research Professor at NYU, and served as the Faculty Director of the AI Now Institute which she co-founded. She has over 17 years of experience in tech, spanning industry, academia, and government. Meredith Whittaker is Signal's President and a member of the Signal Foundation Board of Directors.

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