Founder Profile
Ben Mann
Last reviewed: September 2026 · By Swet Parvadiya
Background
Ben Mann is an engineer who worked at OpenAI on large language model training and deployment, and was one of the authors of the 2020 GPT-3 paper, before helping found Anthropic in January 2021.
Founding Story
Ben Mann is a co-founder of Anthropic and one of the authors of OpenAI's 2020 GPT-3 paper 'Language Models are Few-Shot Learners'. At Anthropic he has worked on training and aligning the Claude models and on the practices that govern how they are released.