Paul Christiano — Notable For: Pioneer of RLHF and AI alignment research; founder of Alignment Research Center (ARC); key theorist of iterated amplification and eliciting latent knowledge

NoteThe source confirms all three components of the claim: (1) Pioneer of RLHF — confirmed by multiple references to him being 'one of the principal architects of RLHF' and co-authoring the foundational 2017 paper on RLHF, plus broader AI alignment research focus; (2) Founder of ARC — confirmed by explicit statement that he 'founded the Alignment Research Center'; (3) Key theorist of iterated amplification and eliciting latent knowledge — confirmed by references to his work on 'eliciting latent knowledge' and a co-authored paper titled 'Supervising strong learners by amplifying weak experts' (2018), which relates to iterated amplification. The source directly supports all elements of the claim.