William H. Guss is an AI researcher and entrepreneur who co-founded General Agents, which was subsequently acquired by Project Prometheus, leading Guss to join the Prometheus team. William's Twitter Score is 40 out of 1000 as of October 2026, ranking #24,006 (top 5%) among 498,071 tracked accounts.
William previously worked at OpenAI as a research scientist, where he contributed to work on evaluating large language models trained on code, a line of research connected to the production version of Codex that powered GitHub Copilot. He was also a lead author of the MineRL dataset paper, which introduced a large-scale Minecraft dataset containing over 60 million automatically annotated state-action pairs. Beyond those contributions, William created ell, a language-model programming library he continues to develop and publish.
William has 15,304 followers as of October 2026 and has published 2,847 posts. He has been mentioned by 2 accounts, with 9 total mentions.
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The accounts that follow William include 166 founders, 48 angel investors, 28 influencers and 1 VCs. Among them are Marc Andreessen, Fred Ehrsam, Tarun Chitra, Vance Spencer, John Wang and Mario Nawfal.