I am Heinrich ‘Heiner’ Küttler. I’m a member of the technical team at xAI. Previously, I was the LLM Infra Lead and a member of the founding team at Inflection AI. We built LLMs. Before this, was a Research Engineering Manager at Meta AI Research in London, leading Reinforcement Learning engineering across EMEA, and before that I was a Senior Research Engineer and Team Lead at DeepMind, working on projects like DMLab, StarCraft, and AGI. I also once was a Technical Solutions Consultant at Google in London. I received my PhD in Mathematical Physics from LMU Munich in 2014.