Sara Hooker is a machine-learning researcher and entrepreneur who co-founded Adaption, where she serves as CEO. Sara Hooker's Twitter Score is 73 out of 1000 (a Good rating) as of September 2026, ranking #11,136 (top 5%) among 486,860 tracked accounts.
Sara Hooker previously worked at Cohere as VP of Research, where she also previously led Cohere For AI, the company's fundamental machine-learning research lab. During her time there, she oversaw the Aya initiative, which brought together more than 3,000 researchers in an open collaboration to develop multilingual AI models and datasets. Before that, she previously worked at Google DeepMind as a research scientist. She also founded Delta Analytics.
Sara Hooker co-founded Adaption, which announced a $50 million seed round led by Emergence Capital Partners, with participation from Mozilla Ventures, Fifty Years, Threshold Ventures, Alpha Intelligence Capital, E14 Fund, and Neo. She is affiliated with the Kaggle ML Advisory Research Board and serves on the World Economic Forum council on the Future of Artificial Intelligence and Data Frontiers. Her work spans ML efficiency and multimodal and multilingual research.
Sara Hooker has published 10,986 posts on the platform and has 63,600 followers as of September 2026. She has been mentioned by 49 accounts, with 102 total mentions.
Who follows Sara Hooker on X?
The accounts that follow Sara Hooker include 336 founders, 87 angel investors, 67 influencers and 7 VCs. Among her notable followers are Marc Andreessen, Garry Tan, Mario Nawfal, Tommy, Sriram Krishnan and Sreeram Kannan.