The retreat will take place on May 5-7, 2023 in Salzburg at Hotel-Restaurant Ammerhauser (Dorfstraße 1, A-5102 Anthering, Austria). Speakers: Claude Amsler (CERN): How the PDG works Johannes Henn (MPP Munich): What we can learn from super-Yang-Mills theories for collider physics Christoph Lehner (Regensburg): Machine learning, lattice QCD, and the muon g-2 Registration Registration has been closed.