Paul is one of the ~3 most credible AI safety experts in the world. Co-invented RLHF, served at US CAISI, a real OG in LessWrong x-risk circles. (His early debates with Eliezer Yudkowsky are famous among the safety crowd and people still cite his "What Failure Looks Like" post from 2019.) He is joining the OpenAI nonprofit board now because he now believes "there is a meaningful risk that rapid acceleration in AI capabilities leads to catastrophic and irreversible loss of control in the very…