Valentin A. Milichko is a physicist and materials scientist specializing in nanophotonics, hybrid materials, nonlinear optics, and metal–organic frameworks (MOFs). His research explores the interaction of laser light with hierarchical structures, advanced functional nanomaterials, and hybrid photonic systems, contributing significantly to the fields of optical sensing, data processing, and advanced photonic devices. He has authored over 160 peer-reviewed papers, including highly cited works in Advanced Materials, Angewandte Chemie, Advanced Functional Materials, Nature Communications, and Nano Letters, achieving an h-index of 29 (Scopus) with nearly 3,000 citations. His career bridges fundamental physics and practical applications, and his leadership has shaped international collaborations, research groups, and academic programs in Europe and Asia.