Personnel: Tyler Cowen at ACX Grants (External Advisor)

NoteThe source confirms Tyler Cowen's connection to the ACX Grants ecosystem, but only as a guest on Spencer Greenberg's podcast, not as an External Advisor to ACX Grants itself. The source text does not explicitly state that Tyler Cowen held an advisory role for ACX Grants. While the source discusses the ACX Grants program in detail and lists many awardees and their roles, it does not mention Tyler Cowen as an external advisor to the program. The claim cannot be verified or contradicted based on the provided source text.