Meredith Whittaker is an American tech policy expert and advocate for ethical technology, currently serving as the President of Signal, a nonprofit organization known for its secure messaging app. Before joining Signal, Whittaker co-founded the AI Now Institute at New York University, where she focused on the social implications of artificial intelligence. She has a background in both technology and policy, having worked at Google for over a decade, where she led product and engineering teams and co-founded M-Lab, a global platform for measuring internet performance. Whittaker is recognized for her advocacy in tech ethics, privacy, and workers' rights.