Founder Profile
Sam McCandlish
Last reviewed: September 2026 · By Swet Parvadiya
Background
Sam McCandlish holds a rigorous academic background in physics, having studied at the Massachusetts Institute of Technology (MIT) and conducted advanced research in theoretical physics. This rigorous training in complex mathematics and theoretical modeling allowed him to approach artificial intelligence not merely as a software engineering problem, but as a physical system governed by predictable scaling laws, an insight that became the foundational development strategy at both OpenAI and Anthropic.
Founding Story
Sam McCandlish is a co-founder of Anthropic and a leading artificial intelligence researcher widely recognized for his foundational work on the scaling laws of neural networks. Before Anthropic, McCandlish was a key researcher at OpenAI, where he co-authored several critical papers that proved a direct, predictable mathematical relationship between the amount of compute power used to train an AI model and its resulting intelligence. Frustrated by the commercial trajectory of OpenAI and deeply concerned about the safety implications of scaling models without strict alignment protocols, he left in 2021 with the Amodei siblings to launch Anthropic. At Anthropic, McCandlish's deep understanding of scaling laws has been essential in guiding the efficient, rigorous, and safety-conscious development of the Claude family of large language models.