Preliminary list of confirmed invited speakers:

• Dionysios Anninos (King’s College London,UK): Black holes and gauge/gravity duality
• Chris Belczynski (Copernicus Center,Poland): Formation of BH-BH mergers as informed by LIGO/Virgo/KAGRA detections of high-frequency gravitational waves.
• Daniela Doneva (Eberhard-Karls-Universitat Tuebingen,Germany): Black hole quasi-normal mode ringdown. 
• Heino Falcke (Radboud University,The Netherlands): Physics at the Event Horizon.
• Dejan Gajic (Leipzig University, Germany) : Mathematical aspects of black holes
• Leonardo Gualtieri (Università di Pisa,Italy): Black holes in modified-gravity theories.
• Carlos Herdeiro (Universida de Aveiro,Portugal) : Bosonic stars and black holes. 
• Michael Kramer (Max-Planck-Institut for Radioastronomy, Germany) : Recent results from Pulsar Timing Arrays
• Jose Navarro-Salas (Universitat de Valencia,Spain) : Black holes, quantum fields, and fundamental physics.
• Viola Sordini (Université de Lyon,France) : Update on the LIGO-Virgo-KAGRA searches of gravitational waves
• Luigi Stella (Università di Roma “La Sapienza"): X-ray observations of black holes.
• Silke Weinfurtner (University of Nottingham,United Kingdom) : Black holes in the laboratory.