The ICRC conferences are held biennially since 1947 by the Commission C4 (Astroparticle Physics) of the International Union of Pure and Applied Physics (IUPAP*). The main topics are Cosmic Ray Physics, High Energy and Gamma-Ray Astrophysics, Neutrino Astrophysics, Dark Matter, Solar and Heliospheric Physics, Multi-messenger and Gravitational Wave Astronomy. The Local Organizing Committee (LOC), the International Scientific Program Committee (ISPC), and the International Advisory Committee (IAC) are jointly organizing ICRC 2025. All the members of the LOC are proud to host ICRC 2025 and welcome you in Geneva to have great and fruitful time during the conference.