Personnel: Tyler Cowen at ACX Grants (External Advisor)

NoteThe source text provided consists only of a page title or section header ('ACX Grants Results') with no body content. While the subject (ACX Grants) matches the claim's organization, the source does not contain any information about Tyler Cowen, his role, or whether he serves as an External Advisor. The claim cannot be verified or contradicted from this excerpt alone. To verify the record, a source with actual content discussing ACX Grants' personnel or advisory structure would be needed.