Lighthaven is a campus in Berkeley, California operated by Lightcone Infrastructure, designed to host events and programs focused on improving humanity's long-term trajectory. Since its establishment in 2023, it has hosted numerous key conferences and programs (including MATS, Manifest, LessOnline) and serves as key in-person infrastructure for the rationality and AI safety communities.

"Lighthaven felt rambly and wondrous and fun without being pretentious? Felt like an incredibly-well-executed, 11-of-10 house party venue (laudatory) crossed with Disneyland." - Manifest attendee

For more information, see the Lighthaven website and Lightcone's 2024 update post.

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