Report from the 4th Strategic Workshop on Information Retrieval in Lorne (SWIRL 2025).

Johanne R. Trippas, J. Shane Culpepper, Mohammad Aliannejadi, James Allan 0001, Enrique Amigó, Jaime Arguello, Leif Azzopardi, Peter Bailey, Jamie Callan, Rob Capra 0001, Nick Craswell, W. Bruce Croft, Jeff Dalton 0001, Gianluca Demartini, Laura Dietz, Zhicheng Dou, Carsten Eickhoff, Michael D. Ekstrand, Nicola Ferro 0001, Norbert Fuhr et al. (40 additional authors not shown)