Lectures available on YouTube: https://www.youtube.com/channel/UCf0rF9SdnfU-NpUSst6t1wg
Black holes, Supergravity and Holography - Chiara Toldo
Cosmological Fluctuations and their Bootstrap - Guilherme Pimentel
To be added
A Primer on Celestial Holography - Prahar Mitra
Twistors, Amplitudes, and Holography - Atul Sharma
To be added