Stanford Institute for Human-Centered Artificial Intelligence (HAI) — key-person: sid_QzcX3bShmQ, sid_rhgfPZYXTw

Note: The source excerpt provided contains only the word 'About' as a heading and no substantive content. While the source URL (https://hai.stanford.edu/about) is relevant to the claim about Stanford HAI's leadership, the actual text content needed to verify the claim about Fei-Fei Li and John Etchemendy being co-directors is not included in the excerpt. Without the actual body text from that page, the claim cannot be verified or contradicted.