It is my great pleasure to announce that I have successfully defended my PhD thesis on the influence of Vibrational Strong Coupling (VSC) on chemical properties. I must thank my supervisors Joseph Polaritonic Chemistry Coherent Quantum Control of Molecules with Modified Vacuum Fields (4 6 May 2026): Towards experimental observation of vibrational dynamics under Strong Coupling conditions by non linear IR spectroscopy Agenda (Indico) Vacuum Field Catalysis: Accelerated Reactions by Vibrational Ultra Strong Coupling Elucidation of the congregated effect of the electrical anharmonicity and strong anharmonic mechanisms on the IR spectral densities: Illustrating the unusual impacts it causes on the SXH band of H bonded complexes Nanoscopic acoustic vibrational dynamics of a single virus captured by ultrafast spectroscopy PNAS Reaction Kinetics with Multiorder Cavity Modes under Vibrational Strong Coupling The Journal of Physical Chemistry Letters